20. Teachers and parents should tell kids how good behavior _______ and that it is liked by others.

　 A. helps　　　　 B. works　　　　　　 C. benefits　　　　　　 D. happens

19. Feeling very ________, he felt _______ he should take some action.

　 A. angry; strong　　　　　　　　　　　　 B. angry; storngly

　 C. angrily; strong　　　　　　　　　　　　 D. angrily; strongly

18. –I heard you had seen a very starnge bird. What does it look like?

　 --Well, its tail is _____________ its body.

　 A. twice long as　　　　　　　　　　　　　 B. twice long than 　　

　 C. more than twice the length of　　　　　　 D. more than twice long of

17. –Would you like to go outing with me tonight?

　 --Oh, with so much homework ________, I’m afraid I couldn’t afford the time.　　

　 A. to finish　　　　　 B. finishing　 　　　　C. finished　　　　　 D. finish

16. –God, your room is so dirty.　　

　 --So it is. It ________ for weeks.

　 A. hasn’t cleaned　　　 B. didn’t clean　　　　 C. wasn’t cleaned　　　 D. hasn’t been cleaned

15. –Which of the two books will you take?　　

　 --I’ll take _________ because I think ________ of tehm is interesting.

　 A. all; either　　　　 B. neither; each　　　　 C. both; either　　　　 D. neither; both

14. –Are you satisfied with the result?

　 --Not at all. It couldn’t be _________.

　 A. any better　　　　 B. any worse　　　　 C. so bad　　　　　 D. the worst

13. When people cut down big trees, new trees should be planted. ________, they will have no trees to cut down in the future.

　 A. If not　　　　 B. If so　　　　　 C. If not so　　　　　　 D. If don’t