—I'm sure Andrew will come out first in this gymnastic competition. —I think so. He _______

[单选题]—I'm sure Andrew will come out first in this gymnastic competition. —I think so. He ________ for it for months.(1分)

Ais preparing

Bwas preparing

Chad been preparing

Dhas been preparing

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参考答案

试题答案：

D

答案解释：

解题思路：句意：——我肯定安德鲁会在体操比赛中获得冠军。——我也这样认为。他已经准备了几个月了。prepare的动作从过去某一时间开始一直持续到现在，故用现在完成进行时，选D项。

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