题目内容
—Tom is never late for work. Why is he absent today?
—Something ________ to him.
A. must happen B. should have happened
C. could have happened D. must have happened
D
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题目内容
—Tom is never late for work. Why is he absent today?
—Something ________ to him.
A. must happen B. should have happened
C. could have happened D. must have happened
D