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(1).It was a long time___i got to sleep again

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(1).It was a long time___i got to sleep again
A.when B.while C.until D.before
(2).She had two hours to kill___she could go in.
A.before B.when C.until D.since
(3).I had been there for not more than 2 days__i set to work again.
A.until B.after C.before D.when
(1).It was a long time___i got to sleep again
D.before “在我再次睡着之前经过了一段很长的时间”
A.before “在她可以进去之前她还得消磨两个小时的时间”
C.before “我在那里不到两天就开始工作了”
before常用在完成时态,表示过去的过去.