Unit 15 课后习题答案1(修改版)

➢Vocabulary
1.People do something with each other.
A.choose
B. return
C. remember
D. Together
答案：D
解析：人们和彼此做些事情。

together表示一起。

2.You still have an idea of someone or something in your mind and you are able to
think about them.
A.choose
B. return
C. remember
D. Together
答案：C
解析：你能记得的某人或某事，remember表示记得，记住。

3.You decide which person or thing you want to have.
A.choose
B. return
C. remember
D. Together
答案：A
解析：你决定你想要的哪个人或哪个东西，所以是choose选择。

➢Grammar
4.What was Judy doing this time the day _____ yesterday?
A.ago
B. later
C. before
D. After
答案：C
解析：由was可推断过去发生的事情，the day before yesterday表示前天，昨天的前一天，根据翻译选C. before，在........之前。

5.I _____ in the office this time last weekend.
A.was working
B. worked
C. work
D. am working
答案：A
解析this time强调这个时间点，用于进行时态，last weekend 表示上周末，过去的时间，所以用过去进行时,was 是be动词is 和am去式，be doing 是进行时态，那么was doing 就表示过去进行时，翻译成：上周末的这个时间我正在办公室里工作。

所以选A. was working
6.I _____ my homework while my mum _____ in the kitchen.
A. did; cooked
B. was doing; was cooking
C. did; was cooking
D. was doing; cooked
答案：B
解析：“做饭”和“做作业”都是发生在过去的动作，且都是“长动作”，因此两个动作都用过去进行时，故排除A，C，D，答案为B。

7.--- I called you at 5:00 yesterday afternoon, but no one answered.
--- Sorry, I _____ at that time.
A.was shopping
B. am shopping
C. is shopping
D. were shopping
答案：A
解析：由对话中5:00 yesterday afternoon，可知答语中描述的是昨天下午五点时正在发生的动作。

表示过去某一时刻正在发生的动作，用过去进行时，排除表示现在时的B和C；主语是I，搭配的应为was，排除D，答案为A。

8.Susan _____ while others were talking happily in the car.
A.drove
B. was driving
C. drives
D. is driving
答案：B
解析：当其他人在车里开心地聊天时，Susan在开车。

两个动作都发生在过去，drive 为长动作，因此使用过去进行时B，排除A、C、D。

9.While we _____, the teacher_____ in.
A. talked; came
B. were talking; was coming
C. talked; was coming
D. were talking; came
答案：D
解析：当我们在聊天时，老师进来了。

talk是长动作，应该用过去进行时，come是短动作，应该用过去时，因此该题选择D。

10.I _____ my homework at eight last night.
A.am doing
B. will do
C. did
D. was doing
答案：D
解析：at eight last night昨晚八点，是过去的某一时刻，是过去进行时的时间标志词，A为现在进行时，B为将来时，C为过去时，都排除，故选D。