We should spend as much time as we _______ over our lessons.A．goB．can to goC．can

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We should spend as much time as we _______ over our lessons.

A．go

B．can to go

C．can go

D．can going

答案

解析

考查动词形式。本题句中运用省略as much time we can (spend)，spend (in) doing花费时间做，故选D。

举一反三

—Are you going to the concert?
—I’m not sure. I stay inside and watch it live on TV instead.

A．can	B．might
C．should	D．must

题型：不详难度：| 查看答案

--- Will you take up teaching as a career after graduation?
--- Hard to say. I _______ go abroad for higher education instead.

A．should

B．must

C．might

D．shall

题型：不详难度：| 查看答案

As nobody here knows what is wrong with the machine, we send for an engineer to handle the problem．

A．should

B．must

C．can

D．would

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. (2010·江西名校模拟) —I’ve heard they went skiing in the mountains last winter.
—It ______ true because there was so little snow there then.

A．may not be

B．won’t be

C．couldn’t be

D．mustn’t be

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--- Amazing ! You _________ wear slippers at work.
--- Don’t you know it’s a fashion ?

A．might

B．should

C．could

D．would

题型：不详难度：| 查看答案