题目内容

【题目】—____ you ______ your homework yet, Tom?

—Yes, Mom. I've already done it.

A. Do; finish B. Have; finished

C. Did; finish D. Are; finishing

【答案】B

【解析】

试题分析：句意为：---汤姆，你完成家庭作业了吗？---完成了，妈妈。我已经做完了。根据语境可知，这里表示的是一个过去发生的动作对现在造成的影响或结果，时态应用现在完成时。结合选项可知故应选B。

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