题目内容
—It is nearly six p.m. Will you have dinner here?
—Sorry, _______. I have many things to do.
—Sorry, _______. I have many things to do.
[ ]
A. I mustn't
B. I can't
C. I needn't
D. I don't
B. I can't
C. I needn't
D. I don't
B
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