题目内容
----What’s happened to George?
----I don’t know. He ________.
A. must have got lost B. may have got lost
C. should have got lost D. can’t be lost
B.
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题目内容
----What’s happened to George?
----I don’t know. He ________.
A. must have got lost B. may have got lost
C. should have got lost D. can’t be lost