—Shall we go to visit Mr. Wang now?—Mr. Wanghere now. He left for Shanghai by air this mor

发布时间：2020-08-21 02:02:02

—Shall we go to visit Mr. Wang now?
—Mr. Wang    here now. He left for Shanghai by air this morning.
A. must be
B. can be
C. mustn’t
D. can’t be

网友回答

A. must be
B. can be
C. mustn’t
(答案→)D. can’t be
解析：此题重点考查否定性的推测，can’t +动词原形
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