听第7段材料，回答第9至10题。

9. What's the woman's problem?

A. She is homesick.

B. She's worried about her paper.

C. She's worried about her professor.

10. What are the speakers doing now?

A. They are having a holiday.

B. They are waiting for an e-mail.

C. They are working on some paperwork.

(听力理解第三节见第二部分)

Ⅱ. 单项填空(共15小题;每小题1分，满分15分)

从A、B、C、D四个选项中，选出可以填入空白处的最佳答案。

11. Some children prefer to spend much time reading，_________is really good for them.

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

12. Now the population of the city is_________ that of ten years ago.

A. three times as large as B. as three times large as

C. three times as many as D. three times more than

13. —When will it be convenient for us to meet? Monday or Tuesday?

—___________. I will be busy the whole week.

A. Either B. Both C. None D. Neither

14. —You know the school very well.

—Yeah. I____ here for 15 years and I will work another 15 years.

A. had worked B. was working

C. have been working D. am working

15. Richard promised to come to attend the lecture, but till now he hasn't _________yet.

A. turned down B. turned up C. turned off D. turned on

16. When crossing the street, remember to watch out _____________cars.

A. at B. for C. to D. of