题目内容

——I    cleaning my bedroom. It’s clean now.
——Wow.When    you    it?
A．have finished，did，finishB．finished，have，finished
C．finish，do，finishD．have finished，have，finished
A
考查情景交际和时态。“我已经打扫完卧室了。现在卧室干净了。”“哇。你是什么时候打扫的？”发生在过去的动作，对现在造成影响，用现在完成时。When引导的是时间状语从句，问的是“何时打扫的”，应该用一般过去时。故选A。
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