20.-- Do you know our town at all?

　 -- No, this is the first time I______ here

　 A. am sent　　 B. was sent　　 C. have sent　　 D. have been sent

19.I don’t think Jim saw me, he______ into space.

　 A. just stared　　　 B. was just staring　 C. has just stared　　 D. had just stared

18.It is bad______ to talk with your finger______ at other person.

　 A. manners; points　 B. manner; to point　 C. manners; pointing　 D. manner; pointed

17.It didn’t take long______ he knew the news.

　 A. ago　　　　 B. before　　　 C. when　　　　 　D. until

16.I would like to rent a house, modern, comfortable and______ in a quiet environment.

　 　A. after all　 B. at all　　　 C. in all　　　　 D. above all

15.-- Why are you in such a hurry?

　 　　-- I must catch the first train. It ______ at 6:00 am.

　 　　A. is going to leave　 B. leaves　 C. will leave　 D. is leaving