问题
选择题
She ___ have left school, for her bike is still here. [ ]
A. can't
B. mustn't
C. shouldn't
D. needn, t
答案
答案：A
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She ___ have left school, for her bike is still here. [ ]
A. can't
B. mustn't
C. shouldn't
D. needn, t
答案：A