------Is this ruler Mary’s?------No, it Mary’s. Hers is on the desk..A. can beB. can’t beC

发布时间:2020-08-21 06:06:19

------Is this ruler Mary’s?
------No, it     Mary’s. Hers is on the desk..
A. can be
B. can’t be
C. must be
D. mustn’t be

网友回答

A. can be
(答案→)B. can’t be
C. must be
D. mustn’t be
解析:否定性推测要用can’t。
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