求几道英语题目原因分析【答得清楚追加20分】

题目

求几道英语题目原因分析【答得清楚追加20分】
1.________ fine weather it is Let's go to the park together.A) What a B) What C) How D) How a 为什么不能选A?
2.I'm sorry you ______ the train; it _____ five minutes ago.A) have missed,left B) missed,has left C) are missed,was leaving D) missed,had left答案是A,为什么呢?
3.The boat has a hole _____ each side.It will go down soon.A on B through C in D at为什么不是A或者B呢?
4.--Would you mind looking after my pet cat?--______.A) OK,I'd be glad to.B)OK.i've no time.C)No,I won't do that.D)Yes,I'd like to.应该选哪个呢?为什么

答案

1.因为weather是不可名,前面不能加a; 答案:选B.2.第一空的动作发生在说话之前,故用现完; 第二空的时间five minutes ago为明确的过去时间,因此只能用一过.故答案选A.3.答案为C,因为洞(hole) 深入到船板之中,故用in ; ...