. Mary _____ be in London because I saw her in town just now.A．mustn’tB．isn’t ab

题型：不详难度：来源：

. Mary _____ be in London because I saw her in town just now.

A．mustn’t

B．isn’t able to

C．needn’t

D．can’t

答案

解析

考查情态动词。Can’t不可能，句意：玛丽不可能在伦敦，因为我刚刚在商业区看到她了。

举一反三

______ you need any help, you can always phone me at the office.

A．were

B．would

C．should

D．will

题型：不详难度：| 查看答案

When he was in that city, he _____ go to that park once a week.

A．would

B．used to

C．might

D．should

题型：不详难度：| 查看答案

While she is a lovely girl, she be extremely difficult to work with.

A．may

B．must

C．should

D．can

题型：不详难度：| 查看答案

I suggest he ＿＿ leave at once.

A．should

B．must

C．would

D．used to

题型：不详难度：| 查看答案

“Attention, please. Whoever can answer one of my questions______ receive a prize”, the teacher
said in class.

A．might

B．shall

C．should

D．would

题型：不详难度：| 查看答案