( ) 11. The mountain was _______ steep _______ few people in our city reached the top.

　　A. so; as B. so; that C. as; as D. too; to

　　( ) 12. Mr Brown knows little Japanese, _______ he can’t understand the instructions on the bottle of the pills.

　　A. so B. or C. but D. for

　　( ) 13. It’s raining outside. Put on more clothes, _______ you may catch a cold.

　　A. and B. but C. or D. though

　　( ) 14. –What is writing brush, do you know? --It’s used _______ writing and drawing.

　　A. with B. to C. for D. by

　　( ) 15. _______ my mother ________ my sister watches football games these days.

　　A. Either; nor B. Both; and C. Neither; nor D. Neither; or

　　( ) 16. Mr Smith is an English teacher _______ will teach us English next term.

　　A. or B. and C. but D. so

　　( ) 17. I may live _______ in a hotel _______ in a friend’s house.

　　A. both; and B. either; or C. neither; nor D. between; and

　　( ) 18. I’m sorry, _______ I can’t help you with your homework.

　　A. and B. but C. or D. then

　　( ) 19. This coat will not lose colour ________ it’s washed.

　　A. until B. till C. before D. after

　　( ) 20. I think we should get this computer, _______ it will take up more space.

　　A. but B. although C. and D. so