29. You can’t imagine ______ when they received these nice Christmas presents.

　　 A. how they were excited　　　　　　　　　　　　　　 B. how excited were they

　　 C. how excited they were 　　　　　　　　　　　　　 D. they were how excited

28.-The window is dirty.　 　-I know. It _______ for weeks.

　　 A. hasn’t cleaned　　　　　　　　　　　　　　　　　　　 B. didn’t clean

C. wasn’t cleaned　　　　　　　　　　　　　　　　　　　 D. hasn’t been cleaned

27. His movie won several awards at the film festival, _______ was beyond his wildest dream.

　　 A. which　　　　　　　　　　 B. that 　　　　　　　　　　　　 C. that 　　　　　　　　　　　 D. it

26. If you aren’t interested in the subjects your teachers suggest, you can ______ some of them.

A. enjoy　　　　　　 B. drop　　　　　　 　C. leave　　　　　　 D. prove

25. The manager of the company told us that very little _______ was made of the waste material in the past.

A. cost　　　　　　　　　　　 B. value　　　　　　　　　　　　　 C. use　　　　　　　　　　　 D. matter

24. _______ the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.

A. If　　　　　　　 B. Because　　　 　　　 　　C. Although 　　　 　　　D. As

23. Last week, only two people came to look at the house, _______ wanted to buy it.

　　 A. none of them　　　　 B. both of them　　　　　　　 C. none of whom　　　 D. neither of whom

22. Let’s paint one side of the paper red, and _______ side black.

A. the other　　　　　　　　 B. another　　　　　　　　　　　 C. the others　　　　　　　 D. one another