摘要:第一节: 单项填空(共15小题,每小题1分.满分15分) 从A.B.C.D四个选项中.选出可以填入空白处的最佳选项.21. - You’ll have to use the stairs. I’m sure the lift is out of . - Is it under repair? - Yes. A. control B. use C. work D. order

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