问题
选择题
Take the lift to the eighth floor and turn right. You _____ have any trouble finding my office. [ ]
A. needn't
B. mustn't
C. don't
D. shouldn't
答案
答案：D
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Take the lift to the eighth floor and turn right. You _____ have any trouble finding my office. [ ]
A. needn't
B. mustn't
C. don't
D. shouldn't
答案：D