题目

--- I’m sure Andrew will win the first prize in the final.--- I think so. He ___________ for it for monthsA. is preparing  B. was preparing    C. had been preparing    D. has been preparing 答案：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。句意是“他一直准备数月了。”故选D

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