20．This was South Africa , a place 　　　people had fought so hard and here was Nelson Mandela describing the situation as genocide(种族灭绝)

　　　　 A．that　　　　　　　　　　　 B．when　　　　　　　　　　 C．where　　　　　　　　　　　　　 D．what

19．-Have you 　　　some new ideas?

　　　　 -Yeah. I’ll tell you later.

　　　　 A．come about　　　　　　　　 B．come into　　　　　 C．come up with　　　　　　　 D．come out with

18．-I apologize for not being able to join you for dinner.

-　　 . We’ll get together later.

A．Go ahead　　　　　　 B．Not to worry　　　　　　　 C．That’s right　　　　　　　　　 D．Don’t mention it

17．Little　　 that we were watching his every move, so he seemed to be going his own way in this business.

　　　　 A．he realized　　　　 B．he didn’t realize　　　　 C．didn’t he realize　　　　 D．did he realize

16．If you are feeling very tired and sick of fat food, that is 　　　you are supposed to go to the hospital for a medical examination.

　　　　 A．why　　　　　　　　　　　 B．when　　　　　　　　　　 C．which　　　　　　　　　　　　　　 D．what

15．Bob can’t attend the party 　　　　at Mary’s house at present because he is preparing tomorrow’s presentation.

　　　　 A．hold　　　　　　　　　　　 B．to hold　　　　　　　　 C．to be held　　　　　　　　　　 D．being held

14．-The head teacher said we had only three days to finish the project.

　　　　 -Don’t worry. We have already　　　 two thirds of it.

　　　　 A．taken over　　　　　 B．made up　　　　　　　 C．got through　　　　　　　　 D．given away