15．------Kate, ________but your radio is going too loud.

----Oh, I’m sorry. I’ll turn it down right now.

　A.I’d like to talk with you　　　　　　　　 B.I’m really tired of this

　C.I hate to say this　　　　　　　　　　　 D. I need your help　

14. _________strict with me when I was young , I could not be such a successful person.

　A.If you are not　　 B. Had you not been　　 C. Were you not to be　 D. If your were not

13. In this institution a medal,together with a prize of a certain sum of money, _______does best in science and technology every two years.

　A.is given to whoever　 B.are given to anyone　 C.are given to who　 D.is given to whom

12. Under no circumstances _______temporary economic development at the expense of the environment and resources.

　A.should we seek　　 B.we should seek　 C.we had sought　　 D.had we sought

11.-------- I don’t suppose he could have done well in the exam last week,________he ?

---------_______,he almost failed to pass the exam.

A. had; yes　　　　 B.has; No　　 C.could; No　　 D.did; No