:Written test part (共95分)
Ⅴ. 单项选择(每小题1分， 共15分)
从A、B、C、D四个选项中选择可以填入空白处的最佳答案。
( )21. Suzhou is known _______ its beautiful gardens and I want to visit it this summer.
A. to B. by
C. as D. for
( )22. In the center of the room is an old table. _______ legs are broken.
A. It B. Its
C. They D. Their
( )23. _______ is uncertain whether Lily will come to the party or not.
A. That B. This
C. It D. One
( )24. You must be careful when you cross the street — the _______ is very heavy in the rush hour.
A. storm B. environment
C. traffic D. business
( )25. Mr. Greens lessons are so _______ that the whole class enjoys working with him.
A. lively B
