21. A. achievement　　　 B. decision　　　　　 C. promise　　　　　 　　　 D. goal

20. A. left　　　　　　　　　　　 B. excited　　　　　　 C. supported　 　 　　　 D. disappointed

19. A. evidence　　　　　　 B. result　　　　　　　 C. excuse　　　　　　　　　 D. cause

18. A. sight　　　　　　　　　 B. hearing　　　　　 C. touch　　　　　　　　　　 D. taste

16. A. conditions　　　　　 B. opinions　　　　 C. actions　　　　　　　　　 D. suggestions

★17. A. enjoying　　　　　　 B. choosing　　　　 C. taking　　　　　　　　　 D. giving

14. It has been proved _______ eating vegetables in childhood helps to protect you against serious illnesses in later life.

A. if　 　　　　B. that　　 C. what　　　 D. when

12. ________ you are interested in astronomy, you can read the book.

A. Even if　　　　　　　 B. Now that　 　　　　　 C. Unless　　　 　　 D. As soon as

★★13. It is reported that the United States uses ____ energy as the whole of Europe.

A. as twice　　 B. twice much　　 C. twice much as　　 D. twice as much

11. _________ parents say and do has a life-long effect on their children.

A. That　　　　　　　　　　 B. Which　　　　　　　　 C. What　　 　　　 D. As

7. When the thief found the police had already ______ him, he ran away quickly.

A. realized　　 　　　　 B. known　　 　　　 C. spotted　　 　　　　 D. stared

★★8. The reason ______ he failed was _______ he was too careless

A. because; because　　 B. why; because　 C. that; that　　 D. why; that

★9. I can’t find the recorder in the room. It ________ by someone.

A. may take　　　　　　　　 B. may have been taken away

C. must have taken away　　　 D. needn’t have been taken away

★10. It is reported that two schools, ___________ are being built in my hometown, will be open next year.

A. they both　　　　　　 B. which both　　　　 C. both of them　　 D. both of which