2020年公共英语三级,2020年公共英语一级单项选择练习题

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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 doD. 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”。

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