问题 选择题

— Do you believe there are aliens?

— I’m afraid not. I don’t think aliens       in space.

A.can find

B.can found

C.can be found

D.can be founded

答案

答案:C

本题考察的是特殊疑问句,其结构为主语+be done,,故选符合题意,故选答案为C

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