----- Why hasn’t Jack come back yet ? _______ anything have happened to him ?
----- I’m not sure, but I guess something _______ .
A.May, must have | B.Can, may have |
C.Must, may | D.Should, might have |
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----- Why hasn’t Jack come back yet ? _______ anything have happened to him ?
----- I’m not sure, but I guess something _______ .
A.May, must have | B.Can, may have |
C.Must, may | D.Should, might have |