come again.A. DoB. CanC. MayD. Did

发布时间：2020-08-17 13:15:59

     e again.
A. Do
B. Can
C. May
D. Did

网友回答

A. Do
B. Can
C. May
D. Did
解析：为了加强祈使句的语气,在动词前加do,表示恳求。  
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