我选的和正确答案不符合,和具体的原因,尤其说明原因,

我选的和正确答案不符合,和具体的原因,尤其说明原因,
1.____ the house on fire,he dialed 119.
A.To see B.Seeing C.Having seen D.Being seen
2.___a post office,I stopped____ some stamps.
A.Passed,buying B.Passing,to buy
C.Having passed,buy D.Pass,to buy
3.We’re ___ to listen to her ____ voice.It’s ___ to hear her sing.
A.pleased; pleasing; pleasure B.pleased; pleasant; a pleasure
C.pleasing; pleased; a pleasure D.pleasing; pleasant; pleasure
4.____the office,the foreign visitors were shown round the teaching building.
A.Having shown B.Showing C.Has shown D.Having been shown
5.The ground is _____with ____ leaves.
A.covering,falling B.covered,falling
C.covered,fallen D.covering,fallen
6.A person _____a foreign language must be able to use the foreign language,______all about his own.
A.to learn,to forget B.learning,to forget
C.to learn,forgetting D.learning,forgetting
7.The students in the university are all taking courses ___a degree.
A.coming to B.going to
C.leading to D.turning to
8.Were you ____when you saw that wild animal
A.fright B.frightening
C.frightened D.frighten
9.He wrote a letter to me _____that his trip to Japan had been put off because of the bad weather.
A.inform B.informing C.informed D.being informed

1.B,这是非谓语做状语,谓语与主句的主语一致.首先主语是he,与之相对应的非谓语动词应该排除A,D,此句并不存在完成,所以要选B.
2.B,这句也是非谓语做状语,原因同上.
3.B,pleasing ['pli:ziŋ] adj.合意的；令人愉快的；讨人喜欢的,一般只与物搭配
pleased adj.高兴的；喜欢的；乐意做某事,一般与人搭配
pleasure n.快乐；娱乐；希望；令人高兴的事
pleasant adj.令人愉快的,舒适的；讨人喜欢的,和蔼可亲的
be pleased to do sth喜欢做某事
此题先可以排除C,D然后听她的嗓音应该是一件舒服的事.可以看出要加一个a.
4.D,此题与第一题一样考的是非谓语做状语,非谓语动词与主句主语一致,又因为外来参观者是被别人带领才看到办公楼,应该用被动.
5.C,词组be covered with 固定搭配,覆盖.falling leaves 表示正在掉下来的叶子,而fallen leaves表示已经掉了的叶子.
6.B,非谓语做定语修饰前面的人一般用动词的动名词形式,故用learning,后面用不定式表示目的.
7.C come to v.想起；共计
go to v.转到；定位
lead to 导致；通向
turn to 转向；求助于；变成；致力于；开始行动
这里是达到某种程度,
8.C,be frightened 是害怕的意思,其他均没有这种意思.
9.B,非谓语做状语.此句话是他写信告诉我,由于天气原因去日本的旅行取消了.用ing形式,其他均不行,动词不行,过去分词也不行,也没有被动.