I was on the highway when this car went past fol. Lowed by a police car. They __ - 高中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

I was on the highway when this car went past fol. Lowed by a police car. They ______ at least 150 kilometers an hour.

A．should have been doing	B．must have been doing
C．could have done	D．would have done

答案

解析

第一句话使用了一般过去时，由此可知第二句话是对过去事情的猜测，需用must have done.本题意为“我正在高速公路上行驶，这时一辆警车跟随着着这辆车从旁边经过。它们一定是以至少每小时150公里的速度行驶。”故选B。A项表示“本应该……”，C项表示“本能够……”不合题意。

核心考点

试题【I was on the highway when this car went past fol. Lowed by a police car. They __】；主要考察你对虚拟语气等知识点的理解。[详细]

举一反三

— I’ve taken someone else’s green sweater by mistake.
— It ______ Harry’s. He always wears green.

A．has to be

B．will be

C．mustn’t be

D．could be

题型：不详难度：| 查看答案

— Catherine, I have cleaned the room for you.
— Thanks. You ______ it. I could manage it myself.

A．needn’t do	B．needn’t have done
C．mustn’t do	D．shouldn’t have done

题型：不详难度：| 查看答案

— Lucy doesn’t mind lending you her dictionary.
— She _______. I’ve already borrowed one.

A．can’t

B．mustn’t

C．needn’t

D．shouldn’t

题型：不详难度：| 查看答案

He did not regret saying what he did but felt that he it differently.

A．could express	B．would express
C．could have expressed	D．must have expressed

题型：不详难度：| 查看答案

This printer is of good quality. If it _______ break down within the first year, we would repair it at our expense.

A．would

B．should

C．could

D．might

题型：不详难度：| 查看答案

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