11. I’m fond of my sister, but she has a serious shortcoming. She _______ be really stubborn.

　　A. must B. will C. can D. should

　　12. At first, being scared, the bird fluttered about the cage, but finally it ________ in its new house.

　　A. settled down B. settled up C. set up D. set down

　　13. He speaks English well indeed, but of course not ________ as a native speaker.

　　A. as fluent B. more fluent C. so fluently D. much fluently

　　14. He is very popular among his students as he always tries to get them ________ in his lectures.

　　A. interesting B. interested C. being interested D. to interest

　　15. I __________ glasses since I was in primary school and I hate them. They make me look like a bookworm.

　　A. have worn B. have been wearing C. have been worn D. was wearing

　　16. Two Chinese cargo ships, the Hua Ping and Yu Xing 8 were attacked by _____________ armed people on the Mekong River on Oct.5.

　　A. unrecognized B. unidentified C. unfamiliar D. unbelievable

　　17. We could have arrived earlier, but Tom insisted that I _________ too fast.

　　A. mustn’t drive B. couldn’t drive C. not drive D. not driving

　　18. Despite such a big difference in __________ towards what one needs, there is no doubt that people in the west regard the Chinese food as special.

　　A. point B. idea C. attitude D. sight

　　19. Fire swept through a store at the corner of 4th street this morning ________ heavy damage.

　　A. caused B. has caused C. causing D. to cause

　　20. --- How often do you eat out?

　　---- _________, but usually once a week.

　　A. Have no idea B. It depends C. As usual D. Generally speaking