15. She didn’t go to school yesterday, ______ he had hurt her legs while climbing the mountain.

　 A. but　　 B. however　　 C. or　　 D. for　

14. _______ did she go to see her father, ______ did she want her father to come.

　 A. Either,or 　B. Not , only　　 C. No sooner, than　 D. Neither, nor

13. That was our first lesson, _______ she didn’t know all our names.　　　

A. for　　　　　 B. but　　　　 C. so　　　　　　 D. or

12. Rose is an English girl, ______ she doesn’t like English food.

A. yet　　　 　　B. so　　　　　　 C. for　　　　　 D. and

11. The street was wet, _______ it rained last night.

A. because　　 B. as　　　　　　 C. for　　　　　 D. since

10. It’s getting dark, _______they’re still working.

　 A. and　　　 B. but　　　　 C. so　　　　 D. or

9. There is air _______ water on the moon.

A. and　　　 　B. or　　　　　 C. so　　 　　　　D. yet

8. The computer cost me too much, _______ it’s really useful.　

A. so　　　　 B. but　　　　　 C. and　　　　　 D. or

7. I can’t understand this passage _______ there are no new words in it.

A. if　　　　　　　 B. because　　　　　　 C. though　　　　　　　　　　 D. an

6. Which is nearer to us, the sun _______ the moon?

A.　but　　　　　　 B. and　　　　　　 C. or　　　　　　 D. so