问题
选择题
Sir, you _______ be sitting in this waiting room. It's for women and children only. [ ]
A. oughtn't to
B. can't
C. won't
D. needn't
答案
答案：A
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Sir, you _______ be sitting in this waiting room. It's for women and children only. [ ]
A. oughtn't to
B. can't
C. won't
D. needn't
答案：A