---Is Bob doing homework?- ----No, he .He is a letter. A. doesn’t ,write B. isn’t, writes C. isn’t , writing D. isn’t , writeing 查看更多

 

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—Is Bob doing homework?
—No, he ______. He is ______ a letter.

[     ]

A. doesn't,write
B. isn't, writes
C. isn't, writing
D. isn't, writeing

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