B.mustn’t
A可以不 B不能、不应该（表示“禁止/不允许”） C不需要
作为一个学生,你不能在电脑游戏上花太多时间,这是浪费时间.
As a student,you ____ spend so much time playing computer games,which isa waste of time.
As a student,you ____ spend so much time playing computer games,which isa waste of time.
A.may not B.mustn’t C.needn’t D.won’t
A.may not B.mustn’t C.needn’t D.won’t
英语人气：824 ℃时间：2019-08-19 03:57:20
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