摘要：4．Must I finish my homework first?
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— Mum, must I finish my homework first?
— No, you _______.
— No, you _______.
[ ]
A. can't
B. mustn't
C. couldn't
D. don't have to.
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B. mustn't
C. couldn't
D. don't have to.
---Must I finish my homework now?
--- No, you __________. You may have a rest first.
A. mustn’t B. can’t C. may not D. needn’t
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— Mom, must I finish my homework now?
— No, you ______. You may have supper first.
A. mustn’t B. needn’t C. can’t 查看习题详情和答案>>
— No, you ______. You may have supper first.
A. mustn’t B. needn’t C. can’t 查看习题详情和答案>>