题目内容

【题目】---Could I clean the bedroom for you?

---No, thanks. I _______ it myself.

A. cleans B. have cleaned

C. was cleaning D. had cleaned

【答案】B

【解析】

试题分析:句意:---我为你清扫卧室吗?---不,谢谢。我已经自己清扫了卧室了根据句意,应该用现在完成时,故选B

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