问题
May we leave the classroomnow — No, you ____________ . You____________ to leave before the bell rings.
A: mustn't, are allowed
B:don't have to, are allowed
C:needn't, aren't allowed
D:can't, aren't allowed
B:don't have to, are allowed
C:needn't, aren't allowed
D:can't, aren't allowed
正确答案是：
同类题型
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