Question

---Sorry, Professor Smith. I didn't finish the assignment yesterday.

---Oh, you      have done it as yesterday was the deadline.

A．must             B．mustn't           C．should            D．shouldn't

 

Answer 1

【答案】

C

【解析】

试题分析：句意：--对不起，史密斯教授，我昨天没有完成作业。--哦，你应该早完成它，因为昨天是最后期限。should have done指过去应该做的还未做，故选C。

考点：考查虚拟语气的用法。虚拟语气是高中阶段的重要语法项目，需要考生牢记各种情况的虚拟语气的谓语动词的形式，并要有分析理解语境的能力。

点评：本题难度适中。

即学即练：I didn't know his telephone number， otherwise I ______ him.

A. had telephoned           B. would telephone    

C. would have telephoned     D. telephone

解析：C。句意：我不知道他的电话号码，要不然的话，我就给他打电话了。