20. I’m afraid I’ve little time to spare these days. I’ve a pile of papers to_____ before the meeting.

A. get through　　 B. put on　　　　　 C. set up　　　　　　 D. send for

19. -Alice, do you like traveling?

　　 -Sure. I______ to Beijing last year, but I 　______ anywhere since then.

A. went; didn’t go　　　　　　　　　 B. have gone; haven’t gone

C. went; haven’t gone　　　　　　　　 D. went; hadn’t gone

18. It was with great joy______ he received the news_______ his son had succeeded in the competition.

　　 A. that; that　　 B. that; /　　　　　 C. because; that　　 D. which; which

17. You had one of your teeth pulled out yesterday,_______?

　　 A. had you　　　　 B. hadn’t you　　 C. did you　　　　　　 D. didn’t you