实践：

　　1. Mr Williams will visit our school again some _______ day.

　　A. the other

　　B. another

　　C. an other

　　D. other

　　2. We shall never laugh _________ people when they are _______ trouble.

　　A. on, in

　　B. at, in

　　C. on, to

　　D. to, at

　　3. "Thank you for your help.""_______."

　　A. You are welcome

　　B. It doesn't matter

　　C. You are kind

　　D. It's no need

　　4. To learn English well is not easy, ______ it is important for us.

　　A. and

　　B. so

　　C. or

　　D. but

　　5. "Must I get there before eight?""No, you______."

　　A. can't

　　B. mustn't

　　C. needn't

　　D. must

　　6. My sister isn't there, she _______ to Beijing.

　　A. went

　　B. will go

　　C. has been

　　D. has gone

　　7. New factory _______ in our hometown next year.

　　A. build

　　B. will build

　　C. will be built

　　D. is building

　　8. I don't think he is doing his homework,______?"

　　A. is he

　　B. isn't he

　　C. does he

　　D. don't I

　　9. I enjoyed _______ to school in the morning last year.

　　A. to run

　　B. run

　　C. runing

　　D. running

　　10. Sorry, I've kept you ________ for a long time.

　　A. wait

　　B. waiting

　　C. to wait

　　D. waited

　　11. _______ mother told _______ an interesting story yesterday.

　　A. Mine, I

　　B. My, I

　　C. My, me

　　D. My, my

　　12. His grandma ______ in 1968. She has been _________ for years.

　　A. died, died

　　B. dead, died

　　C. dead, died

　　D. died, dead

　　13. The old man is _______ under the tree.

　　A. lying

　　B. lie

　　C. laying

　　D. to lie

　　14. He runs ________ than his classmates.

　　A. fastest

　　B. the fastest

　　C. fast

　　D. faster

　　15. The twins' father is standing ________ them.

　　A. among

　　B. between

　　C. during

　　D. above