---Where’s Lucy?---I’m not sure. She in the school library.A. maybeB. must beC. may beD.

发布时间：2020-08-21 03:16:26

---Where’s Lucy? 
---I’m not sure. She      in the school library.     
A. maybe
B. must be
C. may be
D. will be

网友回答

A. maybe
B. must be
(答案→)C. may be
D. will be
解析：may be表示把握性不大的推测，must be是肯定性推测，根据句意选C
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