19. I’ve heard a whisper ________ David and Heather are heading for marriage．

A. what　　　　　 B. which　　　　 　　　 C. who　　 　　　　　　 D. that

18. Walter offered us a lift when he was leaving the office, but our work _______, we refused the offer．

　 A. not being finished　　　　　　　　　 B. not having finished

　 C. had not been finished　　　　　　　　 D. was not finished

17. _____ he is, _______ he can do something that grownups do.

　 A. A boy as, but　　 B. A boy though, yet　　 C. Boy as, yet　　 D. Boy as, but

16. This magazine is very _____ with young people, who like its content and style.

A. familiar　　　 　B. popular　　　 C. similar　　　　 D. particular

15. It was　　 back home after the experiment． -

　 　 A. not until midnight did he go　　 　　　　　　 B. until midnight that he didn’t go

　 　 C. not until midnight that he went 　　　　　　　 D. until midnight when he didn’t go