《初中英语语法300题》上的几道英语问题

《初中英语语法300题》上的几道英语问题1.Go and have _____ before we set out.A.some sleeps B.the sleepC.sleep D.a good sleep2.,we must dig _____.A.a three feet deep hole B.three-foot-deep a holeC.a three-feet-deep hole D.a hole three feet deep3.jump over the ____ wall to .A.six foot high B.six feet highC.six-foot-high C.six-feet-high2、3两题答案有什么区别和联系?这种搭配应该怎么用?4.All of ____ sudden,there was a knock on ____.A.the;the door of mine B.a;the door of my roomC.\;my rooms door D.the;my door All of a sudden 5.She ____ that she lives in London.A.said B.saysC.had said C.was saying但“她说她住在伦敦”应该是过去的事情吧,为什么不是A?6.The man on the motorbike _____ see the bag of rice ____ he hit it.A.doesn't;before B.doesn't;untilC.didn't;until D.didn't; after这道题书里出了两遍,一遍答案是C,一边是D,我个人认为C像一点,不过正确答案是那个?还有,关于介词的搭配,有没有好的办法?还是必须要强记一些搭配?