Your bedroom is very dirty．Please________at once． A. clean up it B. clean it up C. clean up them D. ...
2022-11-09 08:52:04 186次 新疆兵团农二师华山中学2016-2017学年下学期期中考试八年级英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Your bedroom is very dirty．Please________at once．
A. clean up it
B. clean it up
C. clean up them
D. clean them up
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