7. Before you mail this letter, you should check again whether you have（ ）it or not. A. sunk B. sighed C. sought D. sealed ...

10. Were（ ）not for the invention of television , we would not be able to see things going on many miles away . A. it B. that C. this D. those ...

6. The number of students who failed the chemistry examination （ ）to fifteen. A. have increased B. has increased C. is increased D. are increasing ...

1. The squirrel was lucky that it just missed （ ）. A. catching B. being caught C. to catch D. caught ...

19. It is _（ ）impossible to find a good educational computer program in this part ofthe country. A. barely B. hardly C. merely D. nearly ...

10. I’m （ ）the impression that you have made much progress in your English study. A. at B. in C. under D. with ...

2. If I had a dictionary at hand, I （ ）it to you. A. will lend B. would lend C. would have lent D. will have lent ...

22. Harry was（ ）by a bee when he was collecting the honey. A. stung B. stuck C. bitten D. scratched ...

13. I want to try my hand at politics, or go back to the law. I don’t want to go to school for it,（ ）. A. but B. though C. too D. neither ...

6. I just want to（ ）you that, even though you have completed four years of engineering, there are still many things about the subject you don't know. A. remember B. mention C. tell D. impress作...