题目内容
— Look! Is it Sally playing under the tree? —No, it _____ be her. She has gone to Xi’an.
A. can’t B. couldn’t C. may not D. might not
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题目内容
— Look! Is it Sally playing under the tree? —No, it _____ be her. She has gone to Xi’an.
A. can’t B. couldn’t C. may not D. might not