How dirty your room is ！You must ___________.A．cheer them upB．clean them upC．cle_刷题宝

题干

How dirty your room is ！You must ___________.

A．cheer them up

B．clean them up

C．clean it up

D．cheer it up

上一题下一题 0.85难度单选题更新时间:2019-05-31 06:56:37

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