—May we leave the classroom now?—No , you____.You____to leave until the bell rings.[ ]A. mustn'

题目简介

—May we leave the classroom now?—No , you____.You____to leave until the bell rings.[ ]A. mustn'

题目详情

—May we leave the classroom now?
—No , you    ____.You    ____to leave until the bell rings.
[     ]
A. mustn't; are allowed  
B. don't have to ; are supposed  
C. needn't; aren't allowed  
D. can't ; aren't supposed
题型:单选题难度:中档来源:同步题

答案

D

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