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—Haveyoucleanedtheroomyet?   —Yes,I

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问题详情:

—Haveyoucleanedtheroomyet?   —Yes,I

—Have you cleaned the room yet?   

—Yes,I _______it an hour ago.

n             cleand           ned

【回答】

C

知识点:动词时态

题型:选择题

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