题目内容
—Must I finish reading the book today?
—No. You ______ if you have something else to do.
A.mustn’t B.couldn’t C.can’t D.don’t have to
D
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题目内容
—Must I finish reading the book today?
—No. You ______ if you have something else to do.
A.mustn’t B.couldn’t C.can’t D.don’t have to
D