问题
选择题
There are no customers in the hotel. It ______ have the friendliest service. [ ]
A. can't
B. must
C. may
D. needn't
答案
答案：A
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There are no customers in the hotel. It ______ have the friendliest service. [ ]
A. can't
B. must
C. may
D. needn't
答案：A