29. A cook will be immediately fired if he is found _________ in the kitchen.

　 A. smoke　　　 B. smoking　　　　　 C. to smoke　　　 D. smoked

28._____by one of his fellow soldiers，the wounded man walked slowly across the field．

　 A．Supporting　　 B．Supported　　　 C．Support　　 D．Been supported．

27．Jenny worked hard before the final examination，and it_______．She got an A．

　　 A．showed off　　　 B．paid off　　　 C．put off　　 D．took off

26．All the things __________ must be done well．　　

　 A. worth to do　　　　　 B. worthy of being done

　 C. worthy doing　　　　 D. worth of doing

25.Follow your doctor’s advice,_____ your cough will get worse.

A.or　 　　　 B. and 　 C. then 　 D. so

24. I spent five hours_____________ the book__________ I paid 10 dollars.

A. reading; that　 B. to read; for that　 C. read; which　　 D. reading; for which

23．When the old man _______to walk back to his house，the sun________itself behind the mountain．

A．was starting；hid　　　　　　　 B．had started；had already hidden

C．had started；was hiding　　　　　 D．started；had already hidden

22．I wrote a letter of complaint(投诉)，and the airline have promised to _______the matter．　　

A．1ook at．　　 B．1ook into　　 C．1ook after　　 D．1ook out

21．I'm happy that you agreed to work with us again．and I look forward to______

you next week．　　

A．being seen　　 B．see　　 C．seeing　　 D．having seen

20.--- Could I use your computer for a few moments, please?

　 --- ________. I’m not using it myself.

　 A. Come on　　 B. It depends　　　　 C. Go ahead　　　　 D. That’s great