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900字范文 > Haven't you seen Mr. Wilson at the lecture? --Yes but he had left I could ask him any

Haven't you seen Mr. Wilson at the lecture? --Yes but he had left I could ask him any

时间:2022-03-06 10:01:05

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Haven't you seen Mr. Wilson at the lecture? --Yes  but he had left  I could ask him any

问题补充:

--Haven you seen Mr. Wilson at the lecture?

--Yes, but he had left I could ask him any questions.

A. when

B. before

C. after

D. as

答案:

A. when

(答案→)B. before

C. after

D. as

解析:考查引导词的用法,when 意思“当……时候”,所引导的从句,谓语动词可以是持续的,也可以是短暂性动词,谓语动词发生的时间可以与主句谓语动词的动作是同时的,before意思“在……之前”, after意思“在……之后”,as意思“当……时候”,侧重指从句与主句的动作同时进行,谓语动词可以是持续的,也可以是短暂性动词,句子意思“我将要问问题他就离开了”,所以选B

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