问题
Must we stay in the classroom and finish all the homework?–No, you______. You can take it home.
A:needn’t
B:may not
C:mustn’t
D:can’t
B:may not
C:mustn’t
D:can’t
正确答案是：
同类题型
Only when your identity has been checked, ___________.
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Linda,please _________how to get there and the cost of the trip. ——All right.I’ll make it at once.