A. or

　　B. and

　　C. but

　　D. then

　　10. —Why hasn’t Mr. Li come to work today?

　　—______ he has gone to Beijing to have a meeting.

　　A. If

　　B. Until

　　C. Though

　　D. Because

　　Keys：

　　6—10　　 C　　C　　C　　A　　D

　　11. The accident happened _______ a cold winter morning.

　　A. in

　　B. on

　　C. at

　　D. of

　　12. — Time to go to bed, Mary.

　　—Oh, Mum, I won’t go to bed I have finished my homework.

　　A. after

　　B. since

　　C. until

　　D. as soon as

　　13. Soccer is different American football. It’s played all over the world.

　　A. from

　　B. for

　　C. in

　　D. on

　　14. Here are some flowers ________ you ________ our best wishes.

　　A. to; for

　　B. for; with

　　C. of; to

　　D. from; to

　　15. There are two classes____ Saturday afternoon. We can not have a rest this weekend.

　　A. at

　　B. on

　　C. in

　　D. of

　　Keys：

　　11—15 　　B　　C　　A　　B　　B

　　16. It was so late, _________ the farmers went to working in the field.

　　A. and

　　B. or

　　C. so

　　D. but

　　17. I didn't know anything about it _______ my father told me.

　　A. until

　　B. because

　　C. if

　　D. after

　　18. It’s very nice you to give me the chance.

　　A. of

　　B. for

　　C. to

　　D. at

　　19. The sports meet will continue_____ it rains this afternoon.

　　A. if

　　B. since

　　C. as soon as

　　D. unless

　　20. Study hard, ___________you are sure to have a good result in the exam.

　　A. or

　　B. and

　　C. for

　　D. but

　　Keys：

　　16—20 　　D　　A　　A　　D　　B

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