28. His great progress in English made his parents really_______.

　　　　　　　 A. happy　　　 　 B. happily 　 C. sad　　　 D. sadly

27. -You don’t look well. What’s the matter?

　　　 　 -I _______ sleep well.

　　　 　 A. don’t　　　　　 B. didn’t　　　 C. won’t 　　 D. haven’t

26. -When did you become a volunteer?

　　 -Two years ago. I ______________ this group since then.

A. have joined in　 B. have joined to　 C. have been in　 D. have been to

25. We have worked too hard. Let’s stop　 　　　　　a break.

　　　 　 A. having　　 B. to having　 C. have　　 D. to have

24. It was very dark. So he _______ the lights as soon as he entered the room.

A. turned on　　 B. turned off　　 C. turns on　　 D. turns off

23. To my surprise, she’s ________ than before. I can’t recognize her.

　　　 A. very tall　 B. the taller　 C. much taller　　 D. the tallest

22. He ran as fast as he could ______ he failed to get here on time.

　　　　 A. and　　　　　 B. but　　　　　 C. or　　　　　　 D. so

21. Betty bought three T-shits and ____ of them are red. Red is her favorite color.

A. either　　 B. both　　 C. none　　 D. all

20. -Which lesson are you looking at?

　 　-Lesson __________.

　　　　　　　 A. ten　　　　　 B. Ten　　　　　 C. tenth　　　　 D. Tenth

19. -How long have you studied here?

　　　 -______________ two years. I’m used to the life here.

　　　　 　 A. For　 B. Since　 C. In　 D. By