40. A.before    B.ago      C.later      D.after

39. A.somebody B.anybody   C.nobody   D.everybody

38. A.well     B.good     C.badly      D.bad

37. A.to keep   B.keeping   C.kept      D.keep

36. A.and      B.but       C.SO        D.or

35. A.what     B.when     C.which     D.why

34. A.must     B.have to   C.should    D.Will

33.---Oh,sorry,I'm late. I couldn't remember___________.

   -----That's all right. Come on.

  A.where is your house      B.where your house is

  C.Where was your house    D.where your house was

根据短文内容，选择最佳答案。

when Chinese people find out that someone comes from London,they often say,"London is a foggy city ,isn't it?" British people who visit China often __34____say that London is not a foggy city at all!But if London is not foggy.__35___bo so many

people in China think it is?In tact, London used to be a foggy city ,__36___in isn't any more.

In London peole of this it in pollution (污染）came from factories, but a lot of it came from coal (煤)because people used  it in their houses ____37____warm duing the winter .By the 1950s,Long-don's air pollution had became so __38__that the govemment (政府）decided to do something to clean up the air.A new rule was made.It said that ___39___was not allowed to bum

(燃烧）cosl in any British city.Just a few years ____40___,the air became much cleaner.

Now many Chinese cities meet the same kind of __41___with air pollution that London met forty or fitty years ago. However.this problem is more difficult for Chinese cities to ___42___.First, more of the pollution comes from big fsctoies than from coal that pcople use in their houses. If these fac-lories are suddenly closed,lots of people__43__their jobs.Second , cleaner fuels(燃料）are quite expensive. However, the air in many cities is __44__slowly becoming cleaner,because the govem-ment and ordinary people are trying to make pollution__45__.As a result,the air in Beijing is get-ting cleaner and cleaner.

32.----Could you tum down your radio, please?It's too noisy.

---__________.

----I asked you to tum down your radio a little

  A. I boy your pardon?            B.I'm soorry.

  C. Do you want a go?            D.Yes,of course

31. When people want to relax themselves,they prefer_______TV or listen to music rather than______newapapers.

  A.Watching; read     B.watching; to read        C.to watch;read      D.to watch; reading