10. Tasha is a good girl. She _______ her mother with the housework.

　 A. is helping　　 B. had always helped

　 C. always helps　 D. always helped

9. Sarah _______ a bike to work, but now she drives.

　 A. used to ride B. had ridden C. would ride D. used to riding

8. By the end of the month the estate agent(房地产经济人) _______ twenty houses.

　 A. will sell B. will have sold C. will be selling D. is going to sell

7. “Everything in this room is wet.” “I _______ have shut the windows!”

　 A. mustn't B. must C. would D. should

6. Do you know _______ that man standing near Tom is?

　 A. who B. whom C. whose D. who's

5. That boy, _______ father is a footballer, is very good at sports.

　 A. that B. who's C. whose D. which

4. I'm glad you remembered _______ some tea because I haven't got any.

　 A. to bring B. brought C. to have bought D. bring

3. This is the _______ book I've ever read.

　 A. more wonderful B. most great C. most brilliant D. lovely

2. I'm taking an umbrella. It _______ rain.

　 A. must B. may C. has to D. should