30. All matter,　　　　 it is a gas, a liquid or a solid, expands as the temperature rises.

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

29. Bruce and John have arrived, but　　　　 students in the class aren’t here yet.

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

28. She travelled abroad and　　　 .

　 A. so her friend did 　　　　　　　　　　　　　　　　　 　B. neither did her friend

C. her friend didn’t either 　　　　　　　　　 　D. her friend did, too

27. I suggest　　　　 , for he has a long time to wait.

A. him to sit down　 B. he sits down　　 C. he sit down　　 D. him sitting down

26. The book is said　　　　 into many foreign languages.

　 A. to have translated　　　　　　　　　 B. to have been translated

C. to be translating　　　　　　　　　　 D. having been translated

25. 　　　　, he dialed 999.

　 A. Seen the house on fire　　　　　　　 B. To see the house on fire

　 C. Being seen the house on fire　　　　　 D. Seeing the house on fire

24. 　　　　today, he would get there by Friday.

A. Shall he leave　　 B. Was he leaving　 C. Were he to leave　　 D. If he leaves

23. Without your help, we　　　　 so much.

　 A. will not achieve　 B. didn’t achieve　 C. hadn’t achieved　 D. would not have achieved

22. He looked as if he　　　　 ill for a long time.

　 A. was 　　　　　　　　　 　B. were 　　　　　　 　C. has been 　　　　　　　 　　D. had been