摘要： A.doesn’t B. don’t C. isn’t D. aren’t
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It doesn’t matter this time. But late next time.
A. isn’t B. not be C. aren’t D. don’t be
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Danny isn't a good boy. He ________ work hard at school.
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]|
A ．isn't |
B ．don't |
C ．aren't |
D ．doesn't |