摘要： The old man needs at most five hours’ sleep a night, but he for over seven hours tonight. A. has gone to bed B. has slept C. has gone to sleep D. has fallen asleep
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The old man needs at most five hours' sleep a night, but he ________ for over seven hours tonight．
- A.has gone to bed
- B.has slept
- C.has gone to sleep
- D.has fallen asleep