You must be a student, ＿＿＿＿＿＿＿＿you? A．wasn’tB．areC．mustn’tD．aren’t

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You must be a student, ＿＿＿＿＿＿＿＿you?

A．wasn’t

B．are

C．mustn’t

D．aren’t

答案

解析

句中的must表示对现在的状态或现在的事实进行推测，故后面的附加疑问部分用一般现在时。

举一反三

On Sundays when I was a child, Father and I ____ get up early and go fishing.
A. could B. would C might D. should

题型：不详难度：| 查看答案

— Can I smoke in this hall?
— No, you can’t. If you _____, please go to the smoking room.

A．should

B．might

C．can

D．must

题型：不详难度：| 查看答案

—Did Jim come?
—I don’t know. He _______ while I was out.

A．might have come

B．might come

C．mush have come

D．should have come

题型：不详难度：| 查看答案

These achievements_______ without the contribution of Qian Xuesen, a key leader of the New China"s nuclear, missile and so on．

A．would have been unthinkable	B．would not be unthinkable
C．would be unthinkable	D．would not have been unthinkable

题型：不详难度：| 查看答案

—Oh my god! You__ wear slippers to attend the conference．
—I"m sorry I forgot there is a conference．

A．must

B．can

C．should

D．shall

题型：不详难度：| 查看答案