6.??There are thirty students in our class. （ ）of them are league members. A. No one B. Either C. All D. Both ...

1.??（ ）fun and good exercise, swimming is a very useful skill. A. Except for B. But for C. Beside D. Besides ...

12. The Yellow River is the second（ ）river in China. A. long B. longer C. longest D. most long ...

5. The city government must take action（ ）the increasing populating. A. to control B. controlling C. controls D. controlled ...

21. No sooner had the thief disappeared into a side street （ ）. A. than the police arrived B. when the police arrived C. as the police arrived D. than police arrived ...

13. A friend（ ）said to me the other day: "I don't mind eating these foods, but why（ ）to taste so awful? A. of my;they have B. of me; they are C. for me; are they D. of mine;do they have ...

7. （ ）please say it again ? A. Are you B. Would you C. Have you D. Do you ...

24. Fond of machinery, Josh has decided to learn the mechanic’s（ ). A. career B. occupation C. profession D. trade ...

14. （ ）his poor health he had to retire at the age of 50. A. Thanks to B. Because C. Owing to D. For ...

9. A budget of five dollars a day is totally（ ）for a trip round Europe. A. inadequate B. incapable C. incompatible D. in valid ...