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Daveisagoodboyandhealwaysfinishes

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问题详情:

Daveisagoodboyandhealwaysfinishes

Dave is a good boy and he always finishes _______ his homework on time.

   A. do       B. did        C. does       D. doing

【回答】

D

知识点:动词和动词短语

题型:选择题

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