19. Although the exam was difficult, ___________ the students passed it. a. most of b. none of c. a few d. a lot 20. "Our team has just won the last football match." " _____________" a. Good idea. Thanks for the news. b. Yes. I guessed it's very good. c. Well, that's very surprising! d. Yes, it's our pleasure. 21. Vietnam's rice export this year will decrease _____________ about 10%, compared with that of last year. a. with b. at c. by d. on 22. By ___________ the housework done, my mother has more time to pursue her career. a. ordering b. taking c. having d. making 23. The youths nowadays have many things to do in their ____________ time. a. leisure b. entertainment c. fun d. amusement 24. Mary is unhappy that she hasn't ______________ for the next round in the tennis tournament. a. qualified b. quality c. qualification d. qualifying 25. Working hours will fall to under 35 hours a week, __________? a. will they b. won't they c. won't it d. will it