2020年公共英语一级单项选择练习题

【导语】天再⾼⼜怎样，踮起脚尖就更接近阳光。

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1. If your father _____ the facts, he would be angry with me.
A. knows
B. knowing
C. knew
D. would know
2. If we hadn't been busy last Friday, we _____ to your birthday party.
A. would have come
B. will come
C. are coming
D. had come
3. If I _____ you, I _____ this exercise in a different way.
A. was; will do
B. were; would do
C. was; would do
D. were; does
4. If I _____ one million dollars, I would give it to the charity.
A. had
B. have
C. having
D. will have
5. If I were you, I _____ a black jacket and a red tie to her party.
A. will wear
B. am wearing
C. would wear
D. want to wear
6. You didn't let me drive. If we _____ in turn, you _____ so tired.
A. drove; didn't get
B. drove; wouldn't get
C. were driving; wouldn't get
D. had driven; wouldn't have got
7. If I _____ more time, I could have finished the work better.
A. have been given
B. had been given
C. have given
D. had given
8. If you _____ wings like a bird, you _____ be able to fly in the sky.
A. have; should
B. had; would
C. would have; will
D. had; can
9. I in school again, I would study harder.A. Was
B. Were
C. Am
D. Do
10. If you _____ early, you could have caught the train.
A. got up
B. had got up
C. get
D. has got
【答案】
1. C if引导⾮真实条件句，⽤⼀般过去时表⽰与现在事实相反的⼀种假设。

2. A 条件句⽤过去完成时表⽰与过去事实相反的⼀种假设，是虚拟语⽓，主句⽤“would+have+过去分词”。

3. B 与现在事实相反的虚拟语⽓，条件句⽤⼀般过去时，主句⽤“would+动词原
形”。

条件句中的be动词⽤were。

4. A 条件句⽤⼀般过去时表⽰与现在事实相反的⼀种假设。

5. C 条件句⽤⼀般过去时表⽰与现在事实相反的假设，主句⽤“would+动词原
形”。

6. D 表⽰与过去事实相反的⼀种假设。

条件句的谓语动词⽤“had+过去分词”，
主句的谓语动词⽤“would+have+过去分词”。

7. B 表⽰与过去事实相反的⼀种假设。

主句的谓语动词是could have finished，所
以条件句的谓语动词⽤“had +过去分词”;根据句意，此处还应⽤被动语态。

8. B 条件句⽤⼀般过去时表⽰与现在事实相反的⼀种假设，从句的谓语动词⽤过去
时，主句的谓语动词⽤“would+动词原形”。

9. B 省略if的条件句要倒装，表⽰与现在事实相反的假设，be动词⽤were。

10. B 表⽰与过去事实相反的⼀种假设。

主句的谓语动词⽤“would/could/might+have+过去分词”，条件句的谓语动词⽤“had+过去分词”。