-Bob doing homework?---No, he isn’t. He is a letter.A. Does, writesB. Is, writes C. Doe

发布时间：2020-08-21 02:27:40

   ---    Bob doing homework?
---No, he isn’t. He is      a letter.
A. Does, writes
B. Is, writes
C. Does, writing
D. Is, writing

网友回答

A. Does, writes
B. Is, writes
C. Does, writing
(答案→)D. Is, writing
解析：这是一个现在进行时的一般疑问句，所以应用is来提问,write的现在进行时是writing故选D
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