来自郭永亮的问题
请教英语高手:请帮忙解答几道题目,谢谢!1.ThebuscameafterI()forabouthalfanhour.A.havewaitedB.hadbeenwaiting2.You()thedaybeforeyesterdayifyoureallythoughtthiswasveryimportant.A.oughttocomeB.ought
请教英语高手:请帮忙解答几道题目,谢谢!
1.ThebuscameafterI()forabouthalfanhour.
A.havewaitedB.hadbeenwaiting
2.You()thedaybeforeyesterdayifyoureallythoughtthiswasveryimportant.
A.oughttocomeB.oughttohavecome
3.()formspace,ourearth,70percentofitssurfacecoveredwithwater,lookslikeablueplanet.
A.seenB.seeing
请说明理由,谢谢!
第1题用过去完成时,即A为什么不对?
第3题参考答案是选A,为什么?
1回答
2020-08-08 23:28