题目内容

—I'm sure Andrew will win the first prize in the final.
—I think so.He ________ for it for months.

A.is preparingB.was preparing
C.had been preparingD.has been preparing

D

解析从上文可知“Andrew将在决赛中拿第一”说明他还在准备,故用现在完成进行时。句意:他一直准备数月了。故选D。

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