----- __________it be Li Ping who broke the glass?
---- No. It __________ be Wu Dong who did it.
A. Could; may B. Can; must C. May; must D. Can; can
----- __________it be Li Ping who broke the glass?
---- No. It __________ be Wu Dong who did it.
A. Could; may B. Can; must C. May; must D. Can; can
B
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