20. How long do you think ________ the computer company turns out a new product?

A. it will be before 　 B. will it be until　　 C. will it be since　　　　 D. it will be that

19.Bill stood last but one among the twenty interviewees -________, he failed the Oxbridge entrance interview.

A. in this way　　　　 B. in other words　　　　　 C. in general　　　　　　　　 D. in detail

18. On May 12, an earthquake measuring 7.8 on the Richter scale struck Wenchuan County, Sichuan Province, ________ nearly 70,000 people and with about 281,000 ________.

　 A. killed; injured　　　 　 　B. killed; injuring　　　　　 C. killing; injured　　　　　 D. killing; injuring

17. The little boy felt sick because he had eaten this fat and ________ food.

A. heavy　　　　　　　 B. protective　　　　　　　　 C. light　　　　　　　　　　　　 D. weak

16. I couldn’t ________ Mr. Smith’s lecture at all. It was too difficult for me.

A. take in　　　　　　　　　　 B. get through　　　　　　　 C. settle down　　　　　　　 D. help out

15. -Each of the students working hard at their lessons ________ the book.

　 - So have I.

A. is reading　 　　 　B. has read　　　　　　　　 C. read　　　　　　　　　　　　 D. reads