题目内容

【题目】----I used to be quiet but now I’m very outgoing.

----Oh, you ______ a lot in the last three years.

A. will change B. have changed C. changed D. change

【答案】B

【解析】

句意：“-我过去很安静，但现在我很外向。-哦，你在过去的三年里改变了很多。”，观察句子，“in the last three years. 过去的三年里”现在完成时的时间状语，故确定时态为现在完成时(have/has +done)，表示改变这一动作从过去一直持续到现在，也许会持续到将来，故选B

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