外研版英语过去完成时专项练习含答案解析百度文库
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外研版英语过去完成时专项练习含答案解析百度文库
一、初中英语过去完成时
1.By the time I got to school, I realized that I ________ my backpack at home.
A. have forgotten
B. had forgotten
C. have left
D. had left
【答案】 D
【解析】【分析】句意:我到学校的时候,我意识到我把书包忘在家里。
考查过去完成时。
by the time:到…时候为止;通常引导一个时间状语从句,表示“到……的时候为止”主句则表示在此时间之前某个事件已完成。
值得注意的是,当从句用过去时时,主句通常用过去完成时。
Leave sth. Sp.:把…落在某地。
结合句意和语境可知选D。
【点评】此题考查过去完成时的用法。
2.Mary thought of the party which she___________ for this day.
A. plan
B. planned
C. had planned
D. would plan
【答案】 C
【解析】【分析】句意:玛丽想起了她今天计划的聚会。
plan的动作发生在thought of的动作之前,表示过去的过去,要用过去完成时had+过去分词。
故选C。
【点评】考查过去完成时的构成和用法。
注意过去完成时表示过去的过去含义。
3.By the time I locked the door, I realized I my keys at home.
A. had repaired
B. had changed
C. had forgotten
D. had left
【答案】 D
【解析】【分析】句意为“到我锁门的时候,我才意识到把钥匙忘在家里了”,表示“把某物遗忘在某处”要用leave。
该动作发生在realized之前,用过去完成时,故选D。
【点评】本题考查过去完成时的用法。
4.Tom by the time I got to the party.
A. left
B. was leaving
C. had left
D. has left
【答案】 C
【解析】【分析】句中有“by+过去时间”作时间状语,提示谓语动同用过去完成时,即“我到达”和“他离开”,后者发生在前者之前,即“过去的过去”,因此,后者用过去完成时。
故选C。
【点评】本题考查过去完成时的用法。
5.By the time of last year, she the piano for five years.
A. learnt
B. has learnt
C. had learnt
D. will learn
【答案】C
【解析】【分析】句意:到去年的时候,她已经学了五年钢琴了。
由时间状语By the time of last year可知这里是指在这个时间之前已经完成的动作,应该用过去完成时:had+动词的过去分词。
故答案为C。
【点评】考查过去完成时。
掌握过去完成时的构成和用法。
6.The bus ______ for five minutes when Tim arrived at the station.
A. went
B. has left
C. had left
D. had been away
【答案】D
【解析】【分析】句意:当迪姆到达车站时,公交离开了五分钟了。
表示到达车站前已经发生或完成的动作,句子用过去完成时态;leave是一个非延续性的动词,不能与表示一段时间的状语for…连用,可以表达成be away,形容词表示状态,可以与表示一段时间的状语连用。
故选D。
【点评】本题考查过去完成时以及延续性动词的用法。
7.The fireman________ the burning building three times before the fire was put out. A. is entering B. has entered C. was entering D. had entered
【答案】 D
【解析】【分析】句意:消防队员三次进入着火的大楼,才把火扑灭。
A. is entering现在进行时;B. has entered现在完成时;C. was entering过去进行时;D. had entered过去完成时。
根据 was put out,可知一般过去时,消防队员三次进入着火的大楼,动作已经完成,因此用过去完成时(表达过去的过去),had entered,故选D。
【点评】考查句子时态。
注意过去完成时的用法。
8.The film when I got there.
A. was on
B. has been on
C. had begun
D. has begun
【答案】 C
【解析】【分析】题中“I got there”表现的是过去时,且题意表达已经开始故为过去完成时,故选C.
【点评】此题考查过去完成时。
9.—How long you TV by the time I called you?
—For about two hours
A. had; watched
B. have; watched
C. did; watch
D. were; watching 【答案】 A
【解析】【分析】由句中的by the time可判断.这里用过去完成时,故选A。
句意是:—到我打电话给你为止,你已经看了多长时间的电视了?—大约两个小时。
【点评】本题考查过去完成时的用法。
10.By the time I got there, the football match ________ already ________.
A. has; finished
B. was; finished
C. had; finished
D. /; finished
【答案】 C
【解析】【分析】句意:到我到达那里的时候,足球赛已经结束了。
by the time通常用完成时态,根据got可知是过去完成时,故选C。
【点评】考查过去完成时。
11.—We all went to the cinema except you last night. Why didn't you come?
—Because I that movie twice.
A. have watched
B. had watched
C. was watching
D. would watch
【答案】 B
【解析】【分析】“看过电影”这一动作发生在“没去影院”之前,是过去的过去,用过去完成时,故选B。
句意是:—昨天晚上除了你之外我们都去电影院了,你为什么没来?—因为这部电影我已经看过两次了。
【点评】本题考查过去完成时的用法,表示过去的过去。
12.By the first day of August, 2007, the PLA ________ for eighty years.
A. founded
B. has founded
C. has been found
D. had been founded
【答案】 D
【解析】【分析】句意:到2007年8月1日为止,中国人民解放军已经成立了80年了。
句中有by+过去的时间,表示到…为止,句子用过去完成时,found成立,故选D
【点评】动词的时态是学习英语过程中非常重要的知识。
现在完成时表示动词在过去发生对现在造成的影响。
现在完成时往往和already,yet,for+一段时间,since+点时间的时间状语连用。
过去完成时表示动作发生在过去的过去,句子中强调过去的动作对现在造成的影响。
13.By the time the alarm clock went off, My mother had already _________.
A. wake me up
B. wake up me
C. waken up me
D. waken me up
【答案】 D
【解析】【分析】句意:闹钟响时,我妈妈已经把我叫起来了。
根据句意,动词应用过去完成时,用had +动词的过去分词。
wake up是动副结构,代词作宾语必须放中间,故选D。
【点评】考查本单元的目标句型,只要熟练背诵句型,找出答案很简单。
14.— What do you think of the young lady?
— She is hard-working. She ________ all her effort into her work before she got ill.
A. has put
B. put
C. had put
D. would put
【答案】 C
【解析】【分析】句意:——你认为这位小姐怎样?——她很勤奋。
她生病前把她所有的精力都投入到她的工作中。
根据时间状语从句before she got ill.可知主句动作是过去的过去,该用过去完成时态:had+过去分词,故答案为C。
【点评】考查过去完成时。
理解句意并掌握过去完成时表示过去的过去,构成为:had+过去分词。
15.I got to the party late. By the time I arrived, some people ______ home already.
A. went
B. would go
C. had gone
D. have gone 【答案】 C
【解析】【分析】句意:我到聚会晚了。
在我到达之前,一些人已经回家了。
结合语境可知下文描述的是过去某时已经完成的动作,用过去完成时态。
故选C。
【点评】英语中的时态主要是借助于时间状语与上下文语境来进行判断。
解答此类题型,首先要注意句子中的时间状语,如果没有则要通过分析上下文,结合语境来判断句子的时态。
16.When I got to school, I realized I ______ my backpack at home.
A. left
B. had left
C. forgot
D. had forgotten
【答案】 B
【解析】【分析】句意:当我到学校时,我才意识到我把双肩包落在家里了。
把…落在…用leave,又因为是过去完成时,故选B。
【点评】考查把…落在…的用法。
熟背句型。
做题就很容易。
17.Before O'Shea hosted the Joy FM program in Beijing, he_______ in Hongkong for ten years.
A. works
B. has worked
C. had worked
D. would work
【答案】C
【解析】【分析】句意:O'Shea在北京主持Joy FM节目前,他已经在香港工作了10年了。
根据Before O'Shea hosted the Joy FM program in Beijing可知,主持节目这个动作发生在过去,而在香港呆了十年是发生在过去的过去,时态要用过去完成时(had +过去分词),故选C。
【点评】考查动词的时态。
牢记过去完成时的用法。
18.—Peter, _______ you _______ your homework?
—Not yet, I'll do it at once.
A. have; finished
B. Did; finish
C. Will; finish
【答案】 A
【解析】【分析】句意:——皮特,你完成作业了吗?——还没有,我马上做。
根据Not yet, I'll do it at once.可知此处问你的作业完成了吗,所以句子时态用现在完成时,现在完成时的结构have+done,故选A。
【点评】此题考查句子时态。
要根据上下文的联系确定句子时态。
19.Simon ________ the piano for ages when he gave his first concert.
A. has played
B. is playing
C. had played
D. will play
【答案】 C
【解析】【分析】句意:西蒙举行第一次音乐会时,他已经弹了很多年钢琴了。
根据时间状语when he gave his first concert.可知此处用过去的时态,表示先弹钢琴弹了很多年,然后开了音乐会,表示过去的过去,应该用过去完成时:had+动词的过去分词,故答案为C。
【点评】考查过去完成时。
掌握过去完成时的意义(过去的过去)和构成:had+动词的过去分词。
20.He said that ________.
A. he has finished his work already
B. he had finished his work already
C. has he finished his work already
D. had he finished his work already
【答案】B
【解析】【分析】句意:他说他已经完成他的工作了。
说之前就已经做完工作了,said是过去式,所以完成工作是发生在过去之前,所以用过去完成时,结构是had+动词过去分词,排除A、C。
said后面跟的是宾语从句,从句句子结构应该也是主语+谓语+宾语,所以排除D,故选B。
【点评】考查过去完成时,注意其定义的理解。
21.Peter ________ to have a cool model plane.
A. hoped
B. had hoped
C. has hoped
D. hopes
【答案】B
【解析】【分析】句意:彼得本来希望有一架很酷的飞机模型。
动词hope用过去完成时来表示过去未曾实现的想法,希望,打算或意图等。
故选B。
【点评】考查过去完成时。
22.When he arrived at the bus stop, the bus ________ for 10 minutes.
A. has left
B. had left
C. has been away
D. had been away
【答案】 D
【解析】【分析】句意:当他到达车站时,公交车已经离开10分钟了。
for+时间段,表示动作或状态的延续,leave是短暂性动词,故用其相对应的延续性结构be away,公交车离开发生在他到达之前,所以用过去完成时,故选D。
【点评】考查过去完成时。
23.Daming _______ to have a rest, but he didn't have time.
A. intended
B. had intended
C. intends
D. has intended
【答案】B
【解析】【分析】句意:大明本来计划休息,但是他没时间。
动词intend用过去完成时来表示过去未曾实现的想法,希望,打算或意图等。
故选B。
【点评】考查过去完成时。
24.She ______ to go to school earlier, but she forgot to get up.
A. plans
B. planned
C. had planned
D. has planned
【答案】C
【解析】【分析】句意:她本来打算早点上学,但是她忘记起床了。
动词plan用过去完成时来表示过去未曾实现的想法,希望,打算或意图等。
故选C。
【点评】考查过去完成时。
25.They to help but could not get there in time.
A. wanted
B. had wanted
C. want
D. have wanted
【答案】B
【解析】【分析】句意:他们本来打算去帮忙,但没有及时赶到那里。
动词want用过去完成时来表示过去未曾实现的想法,希望,打算或意图等。
故选B。
【点评】考查过去完成时。
26.Johnson ______ two tickets for the concert before Joe made a phone call to him.
A. had booked
B. booked
C. has booked
D. were booking
【答案】 A
【解析】【分析】句意:乔打电话给杰克逊前,杰克逊已经定了两张音乐会的票。
表示“过去的过去”动作要用过去完成时(had + 过去分词),所以选A。
27.Pardon? I _____ quite catch you.
I said I ______ the song before.
A. didn't, hadn't heard
B. don't, didn't hear
C. didn't, didn't hear
D. won't, hadn't heard
【答案】 A
【解析】【分析】句意:请再说一遍,我没太听清你说的话。
——我说,我以前听过这首歌。
结合语境可知上文描述的是刚才发生的动作,故用一般过去时态。
下文描述的是过去某时之前完成的动作,故用过去完成时态。
选A。
【点评】英语中的时态主要是借助于时间状语与上下文语境来进行判断。
解答此类题型,首先要注意句子中的时间状语,如果没有则要通过分析上下文,结合语境来判断句子的时态。
英语疑问句中一般具有时态上的对应关系,注意结合这一特点进行区分。
28.Rose and Minnie ________ each other pretty well before they worked in the same bank.
A. knows
B. know
C. have known
D. had known
【答案】 D
【解析】【分析】句意:罗斯和米妮他们在同一个银行工作以前就认识了。
根据时间状语before they worked in the same bank可知,认识是在同一个银行工作之前,worked是过去时,所以,空白处指过去的过去,用过去完成时:had+过去分词,故答案为D。
【点评】考查过去完成时。
掌握过去完成时的意义:表过去的过去;构成:had+过去分词。
29.My grandparents for fifty years by the time My sister was 15.
A. married
B. had married
C. had got married
D. had been married
【答案】D
【解析】【分析】句意:到我妹妹十五岁的时候,我的祖父母已经结婚五十年了。
根据for fifty years 五十年和be动词was,可知是表示一段时间的状语,谓语动词具有持续性,用过去完成时had been married“结婚”表状态。
故选D。
【点评】本题考查过去完成时,注意通过时间状语及动词判断句子的时态。
30.By the time my mum got home, I _______ my homework.
A. have finished
B. had finished
C. finished
D. will finish
【答案】 B
【解析】【分析】考查动词时态。
句意为“我母亲到家时,我已经做完作业了。
”主句动作在从句动作(一般过去时)之前就已经完成了,因此主句应用过去完成时,故选B。
31.Mr Brown was too busy ______ our papers _______ this question.
A. to mark, to answer
B. to mark, answering
C. marking, answering
D. marking, to answer
【答案】 D
【解析】【分析】句意:布朗先生忙着写论文来回答这个问题。
根据句意可知布朗先生正在写论文,然而写论文这个事情是发生在过去,所以要用过去进行时,所以要用making,这里面写论文是为了回答问题,表示目的所以answer之前应该加to。
故选D。
【点评】考查固定搭配too…to…,及动词不定式表目的。
32.When we hurried to the meeting room, the meeting _______.
A. had begun
B. had been on
C. has begun
D. has been on
【答案】 A
【解析】【分析】句意:当我们赶到会议室的时候会议已经开始了。
本句中会议开始的动作发生在我们到达会议室之前,所以表示过去的过去,用过去完成时,故选A
【点评】动词的时态是学习英语过程中非常重要的知识。
而很多的题目,句中并没有像本题一样有明确的时间,很多要通过上下文的判断得知。
过去完成时表示动作发生在过去的过去,本题不难,平时加强记忆,理解即可。
33.By yesterday, the plane ______out of view for more than a month.
A. is
B. has been
C. was
D. had been
【答案】 D
【解析】【分析】句意:到昨天,飞机已经失去联系了一个多月。
根据By yesterday可知该用过去完成时,所以选D。
【点评】考查动词时态。
34.By the end of last week, she ______in the west of China for two months helping the homeless children.
A. will stay
B. has stayed
C. would stay
D. had stayed
【答案】 D
【解析】【分析】句意:直到上周末,她已经待在中国西部两个月帮助那些无家可归的孩子们。
根据时间状语By the end of last week到上周末为止,可知本句描述的是过去某时之前已经完成的动作,故用过去完成时态,故选D。
【点评】此题考查动词的时态。
根据时间状语确定句子的时态。
35.—Are you surprised at the ending of the movie?
—No, because I ___________ the story.
A. read
B. will read
C. have read
D. was reading
【答案】 C
【解析】【分析】句意:—你对这部电影的结局感到惊讶吗?—不惊讶,因为我读过这个故事。
根据语境判断,这本书已经读过,应该用现在完成时态来表示,故答案为C。
【点评】考查现在完成时态。
主语为第一人称故动词应使用原形。
36.Mr. Wang ______ in this factory for 30 years already.
A. works
B. is working
C. has worked
D. will work
【答案】 C
【解析】【分析】句意:王先生在这个工厂工作已经30年了。
根据for 30 years already,可知句子为现在完成时,表示发生于过去的动作一直持续到现在。
C是现在完成时结构,故答案是C。
【点评】考查现在完成时,注意结合时间状语确定句子的时态和句子结构。
37.By the end of last month, we ______already ______ our lessons.
A. has, finished
B. have, finished
C. had, finished
D. will, finish
【答案】 C
【解析】【分析】题意:到上个月末为止,我们已经结束了课程。
根据句意,应选C。
【点评】注意时间状语,很容易选出。
38.— Jim, why didn't you go to Beijing by train?
— Bad luck! When I got to the station, the train ________.
A. left
B. had already left
C. has already left
D. has been left
【答案】 B
【解析】【分析】句意:——吉姆,你为什么不坐火车去北京呢?——真倒霉!我到车站时,火车已经开走了。
根据When I got to the station 可知,到那是过去时,离开是过去的过去,使用过去完成时,had done,故选B。
【点评】考查时态,注意过去的过去是过去完成时的用法。
39.By the time he ______________ at the cinema, the movie ______________ for five minutes.
A. arrived; had begun
B. had arrived; had begun
C. arrived; had been on
D. had arrived; had been on
【答案】 C
【解析】【分析】句意:当他到达电影院时,电影已经开演五分钟了。
arrived到达,一般
过去时;had begun开始,过去完成时,had been on进行,上映;begin开始,是短暂性动
词,不能和段时间连用,根据for five minutes.故排除AB,be on进行,上映,表状态,可
和段时间连用,by the time到……时候,从句用一般过去时,表示“截止到从句动作发生时,
主句动作已经完成,即过去的过去”,主句用过去完成时,故选C。
【点评】考查动词时态。
注意句子涉及到begin和be on的词义和用法。
40.——How was the movie you saw yesterday?
——I have no idea. By the time I got to the movie theatre, the movie ______.
A. has already finished
B. have finished yet
C. had already finished
【答案】 C
【解析】【分析】had+动词的过去分词构成过去完成时,表示的过去的过去的时间点,本
句中电影结束发生在我到达电影院之前,而到达电影院用的过去时,电影结束发生在过去
的过去,所以用过去完成时。
句意:昨天你看的电影怎么样?没想法,我到电影院的时
候,电影已经结束了。
故选C。
【点评】考查过去完成时的用法。
二、初中英语现在完成进行时
41.The Ford Company its autonomous minicars on public roads in Arizona, the US, without
a safety driver since October, 2017.
A. has been operating
B. has operated
C. had been operating
D. had operated
【答案】A
【解析】【分析】句意:自2017年10月。
福特汽车公司在美国亚利桑那州的公共道路一
直让没有安全的的司机操纵的自动化微型轿车运转。
since,“自从”,Since后如果是过去的
时间,主句要用现在完成时。
因此可知C、D是过去完成时,不符合。
现在完成进行表示
动作从过去一直持续至现在,这个动作正在进行。
而B是现在完成时,表示动作到现在已
完成或停止。
分析可知从过去一直至现在,要用现在完成进行时,故选A。
【点评】考查动词时态,本题涉及现在完成进行时的应用。
42.He _______ it for two hours, and he's still watching now.
A. has been watched
B. watching
C. has been watching
D. is watching
【答案】 C
【解析】【分析】由前半句的for two hours和后半句句意“他现在仍然在看”可知应用现在完成进行时。
故选C。
43.— Look, the light is still on in Helen's office.
— Maybe she ______ her work yet.
A. doesn't finish
B. won't finish
C. hasn't finished
D. didn't finish
【答案】 C
【解析】【分析】句意:——看,海伦的办公室的灯还亮着在。
——也许她还没有完成工作。
yet用于否定句末,是现在完成时的标志词,故选C。
【点评】考查动词的时态。
44.—Why is your foreign teacher’s Chinese so good?
—Because he China for eight years.
A. has gone to
B. has been to
C. has come to
D. has been in
【答案】D
【解析】【分析】句意为:--为什么你的外教的中文那么好?--因为他来中国已经8年了。
时间状语for eight years是一段时间,所以要用表示状态的短语be in的现在完成时态,故选D
【点评】考查现在完成时的短语辨析。
45.The number of foreign students attending Chinese universities ____ rising steadily since 1990.
A. is
B. are
C. has been
D. have been
【答案】 C
【解析】【分析】句意:从1990年开始,进入中国大学的外国学生的数量呈稳定增长。
根据时间状语since 1990,从1991年开始,可知本句时态为现在完成进行时has/have +been+现在分词;再根据the number of,……的数量,助动词应用单数形式has,be的过去分词been。
故选C。
【点评】考查现在完成进行时。
注意掌握结构现在完成进行时的结构:has/have +been+现在分词。
46.Housing prices ________ since the end of the last year. Therefore, it's time the central government ________ some effective measures to bring them under control.
A. have increased; would take
B. have increased; will take
C. have been increasing; take
D. have been increasing; took
【答案】 D
【解析】【分析】考查时态和虚拟语气。
句意:房价自从去年年末以来一直在上涨,所以中央政府该采取措施加以控制了。
第一空依据since一词应该使用现在完成时,且进行时态更能体现出目前的状况,故使用现在完成进行时最好;第二空是虚拟语气中“it's time that +did/ should do”的句式使用,故选D项。
47.Dashan, who_________crosstalk, the Chinese comedic tradition, for decades, wants to mix it up with the Western stand-up tradition.
A. will be learning
B. is learning
C. had been learning
D. has been learning
【答案】D
【解析】【分析】考查时态。
本句的时间状语是“for decades几十年来”,该时间状语通常和现在完成的有关时态连用,本句强调这几十年来大山一直努力把中国相声和西方的脱口秀相结合。
所以使用现在完成进行时,强调动作的延续性和反复性。
故D正确。
48.—Nice to see you again after all these years. What ________?
—Well, I've tried many things since we left school. I'm now working for a large oil company.
A. have you done
B. were you doing
C. did you do
D. have you been doing
【答案】D
【解析】【分析】考查时态。
句意:—这么多年以后再次看见你真是太好了。
这些年你一直在做什么?—自从我毕业以后我尝试了很多事情。
我现在在一家大型的石油公司。
根据句意说明是问对方这些年在做什么,因此使用现在完成进行时表示。
故答案为D。
【点评】本题难度不大,重点把握句意和熟知现在完成进行时的内涵。
49.The western countries have been _________ Christmas for many years.
A. celebrating
B. celebrate
C. celebrates
D. celebrated
【答案】 A
【解析】【分析】have/has been+现在分词是现在完成进行时;句意:西方国家很多年来一直在庆祝圣诞节。
故选A。
50.—You look pretty tired today!
—I an environmental report over the last few days, which should be submitted to the boss tomorrow.
A. wrote
B. was writing
C. had written
D. have been writing
【答案】D
【解析】【分析】句意:—你今天看起来很累!—在过去的几天里我一直在写一个环境报告,这个报告明天应要提交给老板。
表示从几天前开始一直进行持续到现在的动作,用现在完成进行时,故选D.
【点评】考查动词时态,本题涉及现在完成进行时的应用。
51.But actually, these Englishers ______ gradually in accents, spellings, expressions and the usage of vocabulary and we have to adapt to that.
A. had changed
B. changed
C. have been changing
D. is changing
【答案】 C
【解析】【分析】句意:但事实上,这些说英语的人在口音,拼写和单词的使用上一直在改变,因此我们必须适应这件事。
结合句意可知英语的变化从过去开始,持续到现在,并且会持续到将来,故用现在完成进行时,即have/has been doing,又主语these Englishers 是复数,故用have been changing,选C。
【点评】考查时态,本题涉及现在完成进行时。
52.According to the newly-elected French president, Macron, France will reform the rigid and outdated rules that ________ the development of the country in the near future.
A. limited
B. had limited
C. have been limiting
D. will limit
【答案】 C
【解析】【分析】句意:据新当选的法国总统Macron,在不久的将来法国将改革那些一直在限制国家发展的僵化和过时的规则。
“…the rigid and outdated rules that the development of the country…”在本句中the rigid and outdated rules是先行词,在定语从句中作主语;“这些僵化的和过时的规则一直在限制国家的发展”,表示这个动作从过去一直到现在,这个动作一直在进行。
所以用现在完成进行时。
故选C。
【点评】考查时态,本题涉及现在完成进行时的应用。
53.—To our relief, rescue work is under way in the quake-hit area in Mexico.
—Yes, volunteers are helping to distribute the donated provisions that _______.
A. were pouring in
B. have been pouring in
C. are poured in
D. had been poured in
【答案】B
【解析】【分析】句意:——令我们欣慰的是,救援工作正在墨西哥地震灾区展开。
——是的,志愿者们正在帮助分发捐赠的物品。
表示过去的事情一直延续到现在而且还在进行,因此用现在完成进行时,故选B。
【点评】考查时态,本题涉及现在完成进行时的应用。
54.______ her ambition of becoming a professional singer, she _____ very hard since an early age.
A. To realize, has been training
B. Realizing, trained
C. To realize, was trained
D. Realized, has trained
【答案】 A
【解析】【分析】句意:为了实现成为职业歌手的志向,她从小就一直很努力地训练。
本题第一空中使用不定式做目的状语,第二句时间状语since an early age通常和现在完成时连用,表示从过去就开始的动作,本句使用现在完成进行时强调动作的延续性,表示她一直都在努力训练。
故A项正确。
【点评】考查非谓语动词和时态,本题涉及不定式作目的状语和现在完成进行时的应用。
55.My friends from the mainland to me that they find the city's subway cars are "too old" compared with what they pay for subways in Beijing.
A. complained
B. is complaining
C. was complaining
D. have been complaining
【答案】 D
【解析】【分析】句意:我来自大陆的朋友一直在向我抱怨,他们发现城市里的地铁和他们在北京支付的地铁相比太老了。
由句子结构可知,含有宾语从句的复合句,从句谓语动词are,用的是一般现在时,主句强调动作的延续性和反复性,要用现在完成进行时,故选D。
【点评】考查现在完成进行时。
注意根据主从句的时态关系确定正确的时态。
56.A new monetary policy will take effect next month. Really good news, especially for those companies that _______ with money.
A. have struggled
B. struggled
C. have been struggling
D. had struggled
【答案】 C
【解析】【分析】句意:---新的货币政策将于下月生效。
---这真是个好消息,尤其是对那些一直在为钱发愁的公司来说。
分析句子成分可知,companies为先行词,在后面的定语从句中作主语,分析句意可知,定语从句的时态为现在完成进行时,表示从过去某一时间开始struggle的动作一直在进行, 并有可能持续下去, 强调动作的全过程。
故选C。
【点评】考查时态,本题涉及现在完成进行时。
57.Our headteacher ____for months to make sure that we understand the importance of concentration.
A. tried
B. was trying
C. has been trying
D. is trying
【答案】 C
【解析】【分析】句意: 我们的班主任几个月来一直在努力确保我们理解集中注意力的重要性。
现在完成进行时表示现在以前这一段时间里一直在进行的一个动作,这个动作可能仍在进行。
分析本句可知,try这个动作现在以前这一段时间里一直在进行,这个动作可能仍在进行。
且由“for months”也表明本句应该用现在完成进行时。
故选C。
【点评】考查时态,本题涉及现在完成进行时。