------I don’t know why he has made such a silly mistake in the exam. ------ He

题型：不详难度：来源：

------I don’t know why he has made such a silly mistake in the exam.
------ He ____________ it before he handed in the paper.

A．may have checked	B．might check
C．must have checked	D．should have checked

答案

解析

考查情态动词+have done的用法：A. may have checked可能已经检查了，B. might check 可能检查了， C. must have checked一定检查了，D. should have checked 本该检查而没有，句意是：--我不知道为什么他在考试中犯了这么愚蠢的错。--他本该交试卷钱检查一下的。选D。

举一反三

---- Where is Jack?
----He _________ football on the playground with those AFS students, but I am not sure.

A．must be playing	B．must have played
C．may be playing	D．may have played

题型：不详难度：| 查看答案

---Is the book Lock And Key in the library?
--- . The school has just bought many new books.

A．Shall be

B．Would be

C．Might be

D．Should be

题型：不详难度：| 查看答案

— Did you attend the meeting?
— I would have known the news if I it.

A．had attended

B．attended

C．should attend

D．would attend

题型：不详难度：| 查看答案

The

weather in this area is generally warm，but it be very cold sometimes．

A．must

B．can

C．should

D．need

题型：不详难度：| 查看答案

---Have you heard of Wang Meng?
---Yeah, she ______ have done better. She won China’s first gold medal at Turin.

A．should

B．might

C．needn’t

D．couldn’t

题型：不详难度：| 查看答案