16. What do these achievements have _______, Professor Li?

　　　 A. in total　　　　　　　 　　　 B. in general　　　　　 　　　 C. in common　　　　 D. in short

15. Nobody believed his reason for being absent from the class ______ he had to meet his uncle at the airport.　

　　　 A. why　　　　　　　　　　　　 B. that　　　　　　　　　　　　　 C. where　　　　　　　 D. because

14. The government had to admit that the ________ between blacks and whites was wrong.

　　　 A. separation　　　　　　　　 B. identification　　　　　　 C. liberation　　　　　 D. discrimination

13. ______ I admit that the problems are difficult, I don’t agree that they cannot be solved.

　　　 A. When 　　　　　　　　　　　　　　 B. As　　　　　　　　　　 C. While　　　　 　　　 D. Since

12. They eventually arrived at the same _______ that the room must have been empty.

　　　 A. conclusion　　　　　　　　 B. sense　　　　　　　　　　　　 C. thought　　　　　　 D. idea

11. ---All the building materials have been washed away.

　 ---So I have heard. But there was no sign ______ a heavy rain was on the way last night.

　　　 A. when　　　　　　　　　　　 B. that 　　　　　　　　　　　　 C. which　　　　　　　 D. if

10. --- Don’t I ____________ in the matter?

　 ---Of course, you can voice your opinion freely.

　　　 A. get the right　　　　　　 B. have the say　　　　　　　 C. have a say　　　　 D. have no saying

9. The discovery of the new drug is of great significance to people ______ from heart problems.

　　　 A. suffer　　　　　　　　　　　 B. suffered　　　　　　　　　 C. suffering　　　　　 D. being suffered

8. ---Turn off the TV, Jack.. ________ your homework now?

---Mum, just ten more minutes, please.

　　 A. Should you be doing　　　　　　　　　　　　　　　　　　 B. Shouldn’t you be doing

C. Couldn’t you be doing　 　　　　　　　　　　　　　　 D. Will you be doing

7. It might rain tomorrow, ________ we’ll have to put off the sports meeting until next Friday.

A. in case that 　　　　　　　 B. if possible　　　　 　　　 C. in case　　　　　　　　　　 D. in which case