1. It will not be long before we ______ again.

A. meet

B. shall meet

C. would meet

D. will be met

2. The research results show that the earth goes a little faster ______ it is closer to the sun.

A. as if

B. so that

C. than

D. when

3. Somebody knocked at the door while I ______.

A. started reading

B. have read

C. read

D. was doing some reading

4. I ______ go to bed until twelve o’clock tonight.

A. shall

B. will

C. don’t

D. won’t

5. ______ I knew him better， I discovered that my impression had been right.

A. Which

B. As

C. Until

D. Unless

6. Please be sure to telephone me next time you _____ to our city.

A. will come

B. come

C. came

D. are coming

7. Is it all right ______ I go with you to the exhibition on Friday， Pam?

A. because

B. whether

C. when

D. if

8. The doctor suggests that I should sleep with the window open ______ it’s very cold.

A. if

B. unless

C. when

D. since

9. ______ I forget， please remind me of it tomorrow.

A. In case

B. In case of

C. In any case

D. In no case

10. ______ I haven’t seen the film， I know very little about it.

A. After

B. Although

C. As

D. Before