--Maywegohomemow?       ---No,you

问题详情：

--May we go home mow ?

        --- No, you____. You____ to go home until 5 o’clock.

           A. mustn’t; are allowed    B. don’t have to; are supposed

           C. needn’t; aren’t allowed  D. can’t; aren't supposed

【回答】

D

知识点：情态动词

题型：选择题