you hand over your mouth when you cough. A. Put B. Putting C. To put D. To be putting 查看更多

 

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______ your hand over your mouth when you cough.

A. Put     B. Putting

C. To put D. To be putting

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______ your hand over your mouth when you cough.

A.Put

B.Putting

C.To put

D.To be putting

 

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