11. ——Do you mind if I open the window?

—— _______ I feel a bit cold.

A. Of course not. B. I'd rather you didn't. C. Go ahead. D. Why not?

12. When they had finished playing，the children were made to ________ all the toys they had taken out.

A. put away B. put off C. put up D. put out

13._______ she was invited to the ball made her very happy.

A. If B. When C. That D. Because

14. The boys and the girls are playing on the _______of the beach.

A. sand B. sands C. sander D. sandy

15. ——This is my new dog. His name is Wisdom.

—— That's interesting. Why ________ did you give him such a name?

A. in the earth B. on earth C. in world D. on the world

16. ——Have you _______ Mr. Smith?

——Yes，I have __________ his office.

A. called on，called at B. called at，called on

C. called in，called on D. called on，called for

17. ——Which one can I take?

——You can take _______ of them. I'll keep none.

A. both B. any C. either D. all

18. I would like a job which pays more，but _______ I enjoy the work I am doing at the moment.

A. in other words B. on the other hand C. for one thing D. as a matter of fact

19. The man insisted ______ a taxi for me even though I told him I lived nearby.

A. find B. to find C. on finding D. in finding

20. The _________ house smells as if it hasn't been lived for years.

A. little white wooden B. little wooden white

C. white wooden little D. wooden white little