英语问题.高一.1.Although he has taken a lot of medicine ,his healt

英语问题.高一.
1.Although he has taken a lot of medicine ,his health___poor
A.stayed B.remains C.proves D.continued
为什么不选A.
2.On the long journey,he__a most amusing companion
A.pracitised B.acted C.proved D.led
顺便翻译下.
3.It takes too much of his time.
为什么要去掉of.
4.I have advise hime ti give up smoking.
为什么advise不加ed.
5.While john was in hospital,he asked his doctor to tell him whether his operation had been successful.
可不可以把while改成when.为什么.
6.The book was published__it was wtitten.
A.soon before B.long before C.before long D.soon after
为什么不选C.
7.Once___,such a chance might never come again.
A.losing B.lost C.to be lost D.having lost
为什么不选A.
8.He hired a car and an Indian to drive it.
为什么要加it.可不可以删掉.
9.___of such a long movie,the little boy turned to his music.
A.Having tired B.Tiring C.To tire D.Tired
为什么B错.
10.The harm the modern farming methods have done___the countryside is considerable.
A.on B.to C.at D.for
翻译下.
11.He came ____where Iwas hiding and my heart beat faster.
A.more losely to B.much closer C.rather closer to D.quite closely to
B为什么错.
12.They were of the same style ,and each was of the right foot .
为什么要把of改成for.
问题比较多.请耐心看.谢谢.