来自牛秀岩的问题
一道英语单选,求大神解释为什么不选B---Thechildren_____boatstoschooluntilthedestroyedbridgehasbeencompleted.---Howdangerous!Ifonlyitwouldn‟thappen.A.havetakenB.takeC.tookD.aretaking
一道英语单选,求大神解释为什么不选B
---Thechildren_____boatstoschooluntilthedestroyedbridgehasbeencompleted.---Howdangerous!Ifonlyitwouldn‟thappen.A.havetakenB.takeC.tookD.aretaking
