请大侠帮我做一下这12个英语单选最好可以加一些解析,更好的讲些类似题型的解答方法,

请大侠帮我做一下这12个英语单选最好可以加一些解析,更好的讲些类似题型的解答方法,
1.According to.World Health Organization,health care plans are needed in all big cities to prevent.spread of Aids
A the,不填B the,theCa,aD不填,the
2.It was thoujht that thing would get worse,but.it is,they are getting better
A becauseB whenC asD after
3.,was known to all that william had broken his promise.he would give them a rise
A as,whichB what,that C it,thatD it,which
4.,and you will succeed sooner or later
A having worked hardB to work hardC working hardD work hard
5.whom should i give this dictionary to?you may give it to.
A whoever you think needs it mostB whomever you think needs it mostC anyone needs it mostD someone who needs it most
6.i am moving to the countryside because the air there is fresher than.in the city
A onesB one C that D those
7.the film brought the hours back to me.i was taken good care of in that far away village
A until B that C when D where
8.he made a mistake,but then he corrected the situation.it got worse A untilB whenC beforeD as
9.i called you last night,but nobody answered the phone.sorry,.
A i must be sleep at that momentB i must have slept at that momentC i must have been asleep at that momentD i must have fallen asleep at that moment
10.all books.too much space will be returned this afternoon A to take inB taking on C taking upD to take off
11.where is mother?she is in the kitchen.she.the house work all morning.A is doingB was doing C has doneD has been doing
12.generally speaking,.acording to the directions,the drug has no side effectA when takingB when taken C when to take D when to be taken
讲的好的加分