住院医生与床位比:几道英语题目，已给出答案，请作出分析原因,THANKS

1.I haven`t __B__ idea what they are going to do with the airport which is no longer in use.
A.a slight B.the slightest C.any slight
2.One is likely to suffer from snow blindness when __A__ to snow light for hours.
A.exposed B.having exposed
3.After __C__ seemed a long time, an iceberg was in sight in the distance.
A.it B.there C.what D.that
4.Would you mind if I keep the window open? __B__
A.never mind B.Not at all.
5.__B__ to give an answer, I found myself at a loss.
A.Being pressed B.pressed
6.Why do you have tou carry that __B__?
A.luggage B.piece of luggage
7.He`s honest as he __B__.
A.makes up B.makes out C.gives over D.gives away
8.Today we have finished what we set __B__.
A.off B.out C.up D.about
9.Stock-market analyses__B__ a great variety of financial indicators.
A.come up with B.monitior C.look into D.take charge of
10.It`s about__A__ from here.
A.a half-hour`s drive B.half-an-hour drive
C.a half-an-hour drive D.half an hors` drive
11.At supper Mr Johnson __B__ nothing but plans for his holiday.
A.talked of B.has done
12.During World War 1 Einstein __A__ much of his research.
A.lost interest in B.devoted himself to C.continued to do
13.Don`t beat__B__.
A.the boy`s face B.the boy in the face C.the boy in his face
14.When crossing the street, the girl caught __A__
A.the woman by the hand B.the woman on her hand
15.It snowed heavily yesterday. __Had__ it __been__ fine then,we __would have gone__ there.
16.__Should__ it __rain__ tomorrow, we __would stay__ at home.
17.At least 50 persons were killed in that accident, five children __A__
A.included B.including
18.The teacher came in, __B__.
A.a book under arm B.book under arm C.book under his arm
D.arm under book
19.Marx was born in Germany and German was his native language.__A___.
A. So it was with B.So was
20.Another way to read 0.08 is ____.
A.0 point zero eight B.zero point zero eight
21.Please write __A__ ink.
A.with B.in
22.Only then __did I realize__ how important Mr Smith was in hhis office.
23."__D__ you would be goog enough to help us."That means "Would you be good enough to help us?"
A.Probably B.Possibly C.Maybe D.Perhaps
24.The train __A__ at ten o`clock tonight.
A.starts B.will start
25.The picture looks good __B__ that light wall.
A.except B.against
26.I haven`t got any letter from my brother for a year. Do you ____ how worried I am now?
A.have any idea B.think of
27.The __A__ for the competition can be as high as $20000.
A.prize B.award
28. The sports meet__A__.
A.is to be put off B.is to put off
29.Across the river _A___
A.lies a newly built bridge B. lies a new built bridge
30.You think everything will be all right in time. __B__
A.So I do B.So do I
31.That dog has left white __B__ all over my black jacket.
A.fur B.hairs