摘要： When Jack arrived he learned Mary for almost an hour. A. had gone B. had set off C. had left D. had been away
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When Jack arrived he learned Mary _______ for almost an hour.
A. had gone B. had set off C. had left D. had been away
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When Jack arrived he learned Mary _______ for almost an hour.
A. had gone B. had set off C. had left D. had been away
查看习题详情和答案>>20. When Jack arrived, he learned Mary ____ for almost an hour.
A. had gone B. had set off C. had left D. had been away
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