20.There used__________a post office at the corner of the street.

第二部分：英语知识运用（共三节，满分50分）
第一节语法和词汇知识（共15小题；每小题1分，满分15分）
16. The car is being _____ ready to beat the speed record.

34. A note was on the blackboard ______ “All those who have a fever must leave school right now”.

25. Thirty years ago this month，China's leaders launched an economic revolution.___________the door to free market reforms and foreign trade．

32．--- What do you think made Ceha so happy?
---_____a prize in the recent competition.

25．____in the Kooris for years, I decided to learn their language.

24．As we all know, newspapers, magazines and radios as well as television broadcasts can keep us   
____about what is happening at home and abroad.

22．The purpose of their explorations is as important to them as____to us.

4．—Where does your little daughter want to go during her holiday ?
—She is always looking forward to _____ to the Wu Yi Mountain.

The rise of oil prices made scientists search for new energy resources ______ oil．