19. The father as well as three children ______ skating on the frozen river every Sunday.

　 A. is going　　 B. go　　 C. goes　　 D. are going

18. --- ______ do you like the film tonight?

　 --- Better than ______.

　 A. How; expected　　 B. What; expected　　 C. How; to expect　　 D. What; expecting

17. With the sales ______ by nearly 20%, the company is having a hard time.

　 A. to decrease　　 B. decreased　　 C. decreasing　　 D. decrease

16. ______ in the chair, he began to read a magazine.

　 A. Seated　　 B. Seating　　 C. Being seating　　 D. To seat

15. --- Did you remember to give Mr. Smith the dictionary?

　 --- Yes. I gave it to him ______ I saw him.

　 A. while　　 B. the moment　　 C. suddenly　　 D. once

14. Tom is very helpful. He is the very person ______ you can turn when in trouble.

　 A. from whom　　 B. to whom　　 C. to that　　 D. from that　

13. ______ word I use can not express my appreciations of your timely help.

　 A. Whatever　　 B. How many　　 C. No matter what　　 D. Whichever

12. Thank you for sending us many kinds of ______ vegetables. You have done us ______ a great service.

　 A. / ; a　　 B. the; /　　 C. / ; /　　 D. the ; /

11. I was really anxious about you. You ______ home without a word yesterday.

　 A. mustn’t leave　　 B. shouldn’t have left　　 C. couldn’t leave　　 D. needn’t leave

10. Although the computer seems a bit too expensive, it is ______.

　 A. worth to buy　　 B. worthy of buying　　 C. worth buying　　 D. worthy being bought