题目内容
—Tom is never late for work. Why hasn’t he come yet now?
—Something to him.
A.must have happened B.should have happened
C.could have happened D.must happen
D

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题目内容
—Tom is never late for work. Why hasn’t he come yet now?
—Something to him.
A.must have happened B.should have happened
C.could have happened D.must happen
D