问题:
—Is that girl under the tree Mary?
—No, that ______be Mary. She is in New York.
[ ]
A. can
B. mustn’t
C. can’t
—Is that girl under the tree Mary?
—No, that ______be Mary. She is in New York.
B. mustn’t
C. can’t
—No, that ______be Mary. She is in New York.
[ ]
A. can B. mustn’t
C. can’t
参考答案: