问题 选择题

If you __________ succeed, you must study as hard as you can.

A.are going to

B.are to

C.will

D.should

答案

答案:B

考查不定式做表语。句意:如果你要成功,你必须尽可能的努力学习。不定式作表语表示事先商定、安排或准备要做的事情。故选B。

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单项选择题