31.____ a letter from her parents, Lily is now looking forward to ___ from them.

A. Having not received; hear　　 　　　　B. Not received; hear

C. Not having received; hearing　　 　　　　D. Receiving not; hearing

30. We will see you again next Saturday ______, you must rest as much as possible and take good care of yourself.

A. However　 　 　　 　　B. Meanwhile　 　　　　 C.　 Otherwise　　 　　 D. Therefore

29. Only by imagining and creating ____the problem.

A. can solve　　　 　　　B. you can solve 　　　

C. solve　 　　　　 　　　D. can you solve

28. _____ no need to worry about the problem. The government has promised to have clean water _____ to us from door to door.

　　　 A It is / delivered　　　　 　　 B It is / delivering 　

C There’s / to deliver　　　　 D There’s /　 delivered

27. Facing the ______ situation , Tom looked ________.

A. puzzling; puzzled　　　　 B. puzzling; puzzling 　

C. puzzled; puzzled　 　　　D. puzzled; puzzling

26. ______ the four countries work together in some areas, but still have very different institutions.

　　　 A To one’s credit　　　　 　　 B For their credit　

C To their credit　　　　　　　　 D For one’s credit

25. Entering the room, I found the children _____ on the floor, ______ chess happily.

　　　 A sitting / played　　　　 　　 B seated / to play

C seated / playing　　　　　　　　　　 D sitting / to play

24. Don’t be upset. I think Tom, rather than you, _______.

　　　 A is to blame 　　　 B are to blame　　　 　　　　　　　　　　　 C is to blamed　　　　　　　 　　　 D are to blamed

23. -It’s so hot. What about getting a drink? 　　　　 -Good idea. It’s my _______today. 　　　　 A. charge　　 B. treat　　 C. trade　　 D. Cost

22. Journalists from all over the country will be sent to _____ the Asian Games to be 　held in Gangzhou.

　 A. cover　　　　　　　　 B. interview　　　　　 C. discover　　　　　　　　　 D. investigate