问题
选择题
As a student, you _____ spend so much time playing computer games, which is a waste of time. [ ]
A. may not
B. mustn't
C. needn't
D. won't
答案
答案：B
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As a student, you _____ spend so much time playing computer games, which is a waste of time. [ ]
A. may not
B. mustn't
C. needn't
D. won't
答案：B
