We must avoid a bad impression on others in public places. A.to leave B.leaving C.to have left D.leave 解析:avoid接宾语时.宾语通常是名词或v.­ing形式. 答案:B 查看更多

 

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We must avoid _____ a bad impression on others in public places     .

A. to leave            B. leaving           C. to have left        D. leave

 

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