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题目列表(包括答案和解析)

By the end of last term we ___________ about ten English songs.
A.had learnedB.have learnedC.learnedD.were learning

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By the end of last month, I _____ all the CDs of Justin Bieber.
A.collectB.collectedC.have collectedD.had collected

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By the end of the last month, I _____________ all the CDs of Justin Bieber.
A.collectB.collectedC.have collectedD.had collected

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By the time we rushed to the hall, the party ________ for ten minutes.

A.had begunB.beganC.was onD.had been on.

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By the time she went outside, the bus ____ already ______ .

A.had, goneB.had, went C.has, goneD.has, went

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