41. If it for the fence, he into the river.A. were not; fallenB. had not been; could hav

发布时间：2020-08-16 06:31:04


41. If it      for the fence, he      into the river.
A. were not; fallen                                    B. had not been; could have fallen
C were not; could fall                                    D. had not been; could fall

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