1.Whendidyou(A.reachB.arriveC.gotD.arrivein这题我选D的,可答案选B,为什么不需要加介词?是我错,2.Doyouhaveanydifficulties()outtheproblem?A.workingB.toworkC.worksD.work为什么要选择A3.Tomhastowsisters,one |
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