问题
Who ______ it be that hasn’t handed it in yesterday. —It _______ be Bob. He handed it in yesterday.
A:can; mustn’t
B:must; can
C:can; can’t
D:may; mustn’t
B:must; can
C:can; can’t
D:may; mustn’t
正确答案是：
同类题型
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I like your pet dog very much. But I can’tfind _______ in the pet shop. Where did you buy _______
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