问题
选择题
—Must I go and repair our TV set this afternoon?
—No, you _______. I've repaired it.[ ]
A. mustn't
B. needn't
C. shouldn't
D. wouldn't
答案
答案：B
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—Must I go and repair our TV set this afternoon?
—No, you _______. I've repaired it.[ ]
A. mustn't
B. needn't
C. shouldn't
D. wouldn't
答案：B