问题
There are no customers in the hotel. It ______ have the friendliest service.
A:can’t
B:must
C:may
D:needn’t
B:must
C:may
D:needn’t
正确答案是：
同类题型
He is old, but he ____ have gray hair.
Frank，you look worried．Anything wrong?一Well，I______a test and I”m waiting for the result．
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The earthquake which happened in Yushu14th April 2010 was a big disaster. [ ]
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