题目内容
4. —I think Helen is at home.
—No,she be at home,because she called me from the airport just five minutes ago.
A. mustn't B. needn’t C. can't D. may not
4.C
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题目内容
4. —I think Helen is at home.
—No,she be at home,because she called me from the airport just five minutes ago.
A. mustn't B. needn’t C. can't D. may not