the situation become worse, call me at once.A．MustB．NeedC．MayD．Should

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the situation become worse, call me at once.

A．Must

B．Need

C．May

D．Should

答案

解析

略

举一反三

“Must I do the work right now, Mom?” “No, you ___. You may do it tomorrow.”

A．mustn’t

B．must

C．needn’t

D．shouldn’t

题型：不详难度：| 查看答案

When he lived in the countryside, he ___ get up early.

A．used

B．would

C．use

D．should

题型：不详难度：| 查看答案

I had hoped Mr.Blake ___ earlier than usual.

A．came

B．to come

C．would come

D．was coming

题型：不详难度：| 查看答案

Jim took my book by mistake.He ought ___ the yellow one.

A．to take

B．to have taken

C．take

D．have taken

题型：不详难度：| 查看答案

She is already two hours late. What _________to her?

A．can have happened	B．must have happened
C．should have happened	D．must happen

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