11. ---Will you please show me how to operate the new machine?

　　---Sure. It’s a piece of cake. Now let me tell you _____ to do first.

　　A. what

　　B. how

　　C. whether

　　D. when

　　12. ---My trousers are______ out.

　　---I’ll buy you a new pair.

　　A. tried

　　B. worn

　　C. wearing

　　D. sold

　　13. The rubbish ______we have collected can be recycled.

　　A. who

　　B. which

　　C. this

　　D. what

　　14. ---The artist has got _____ much work to do that he hardly has

　　time to help his wife with the housework.

　　---That’s true. Even on Sundays he is busy with his work.

　　A. too

　　B. so

　　C. very

　　D. such

　　15. ---How long have you ____a cough?

　　---Ever since last night.

　　A. got

　　B. had

　　C. caught

　　D. taken

　　16. ________ Iraqi people were killed in the war which broke out on March 20.

　　A. Thousand

　　B. Thousands

　　C. Thousand of

　　D. Thousands of

　　17. I went home and _____ my schoolbag and started to help Mother do the cooking.

　　A. put off

　　B. dropped off

　　C. turned off

　　D. shut off

　　18. ---He seems _____ ill. Shall we take him to the hospital right now?

　　---I don’t think it matters. Maybe he’s caught a bit of a cold.

　　A. terrible

　　B. terribly

　　C. even

　　D. more

　　19. ---Does the child need any help?

　　----No. He is old enough to _____ himself.

　　A. put on

　　B. wear

　　C. take care.

　　D. dress

　　20. ---This is a really wonderful party with interesting people and great food .

　　---I’m _____ to hear that you are enjoying yourself.

　　A. sorry

　　B. glad

　　C. afraid

　　D. sure.