--Who has opened the door? ---I think it be Lin Tao. He’s always the first to get here.A.

发布时间:2020-08-15 01:53:31

--Who has opened the door?  ---I think it      be Lin Tao. He’s always the first to get here.
A. is able to
B. can't
C. must
D. mustn’t

网友回答

A. is able to
B. can't
(答案→)C. must
D. mustn’t
解析:这是肯定的推测, 所以只能选用must 
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