问题 选择题

—What's your uncle's opinion about your decision?

—He always encourages me to do   ________  I think I should.

A.what

B.when

C.how

D.that

答案

答案:A

A 考察主语从句,should后面省略了do,do的后面缺少宾语,故使用双重作用的what。

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