() 10. I left my office I finished my work.

   A. as soon as   B. unless

C. though   D. until

() 9. If you have to leave,please wait the rain stops.

   A. since   B. if

C. until   D. although

() 8. My sister was reading a magazine I was doing my homework at this time yesterday.

   A. before   B. after

C. until   D. while

() 7. there's no more time,we must give it up. 

   A. Unless   B. Though

C. Since   D. While

() 6. my surprise,he knew nothing about what happened yesterday.

   A. On   B. For

C. In   D. To

() 5. first,Mike didn't like his new classmate Dan,but later he made friends with him.

   A. In   B. Oil

C. At   D. From

() 4. —What's John doing?

一He’s talking to Ben the phone.

   A. to   B. for

C. with   D. on

() 3. It's raining hard and the rain is beating the windows.

   A. in   B. against  C. behind   D. across 

() 2. 一Playing computer games is waste of time.

—I think so. Joe played all day. As result,he didn't pass the exam.

   A. a; the   B. the; a   C. a; a   D. the; the 

从A、B、C、D四个选项中选择可以填入空白处的最佳答案。

() 1. —What's wrong with you,M?ry?

—I have cold.

   A. a   B. an   C. the   D. 不填