问题
选择题
Boys, you ____ be sitting in this room. It is for your teachers only. [ ]
A. shouldn't
B. don't have to
C. won't
D. needn't
答案
答案：A
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Boys, you ____ be sitting in this room. It is for your teachers only. [ ]
A. shouldn't
B. don't have to
C. won't
D. needn't
答案：A