——Hi, Mike．Any idea where Mary is?——She in the classroom．I saw her there just now．A. shal

发布时间：2020-08-15 01:27:44


——Hi, Mike．Any idea where Mary is?
——She      in the classroom．I saw her there just now．
A. shall be
B. should have been
C. must be
D. might have been

网友回答

A. shall be
B. should have been
(答案→)C. must be
D. might have been
解析：本题考查情态动词。考must对现在情况的推测。
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