— ____ you work out the math problem?— No, I _____.[ ]A. Do, can't B. Can, mustn't C. Can,
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题目简介
— ____ you work out the math problem?— No, I _____.[ ]A. Do, can't B. Can, mustn't C. Can,
题目详情
— No, I _____.
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B. Can, mustn't
C. Can, can't
D. Can't, must
答案