38．　　 the safety of gas, the government has checked the city’s gas supply system thoroughly.

　　　 A．To ensure　　　　　 B．Ensuring　　　　　　 C．Having ensured.　　　　　　　　　　　 D．To have ensured

37．-Did you see who the driver was?

　　　 -No, so quickly,　　 that I couldn’t gat a good look at his face.

　　　 A．did the car speed by B．the car sped by C．does the car speed by D．the car speeds by

36．By improving reading skills, you can read faster and understand more of　　 you read．

　　　 A．that　　　　　　　　　 B．what　　　　　　　　 C．which　　　　　　　 D．whether

35．　　 there is a snowstorm or some other bad weal. her, the mail always comes on time.

　　　 A．Because 　　　　 B．If　　　　　　　　　　　　 C．When　　　　　　　 D．Unless

34．The thought of going back home was 　　kept him happy while he was working abroad．

　　　 A．that　　　　　　　　　 B．all that　　　　　　　 C．all what　　　　　 D．which

33．All the staff {n our company are considering　　 to the city centre for the fashion show.

　　　 A．to go　　　　　　　　 B．going　　　　　　　　 C．to have gone D．having gone

32．It is imagination　　 makes the world colorful, full of vigor and vitality.

　　　 A．where　　　　　　　 B．what 　　　　　　　 C．that　　　　　　　　　 D．when

31．If you talk nice and polite, people listen to you. If you shout, this is no good,　　 ?

　　　 A．do you　　　　　　　 B．don’t you　　　　 C．is it　　　　　　　　　　 D．isn’t it

30．John had to have his car repaired in a garage because it　　 seriously.

　　　 A．damaged B．was being damaged C．had damaged D．had been damaged

29．The unemployment rate in this district　　 from 6% to 5% in the past two years.

　　　 A．has fallen　　　　 B．had fallen　　　　 C．is falling　　　　　　 D．was falling