5. I hurried to answer the telephone and it was Mabel, who had been one of my best friends ______ we were at primary school.

A. while 　　　　　　　　　　　　　　 B. when 　　　　　　　　　　　　　　 C. after　　　　　　　　　　　　 D. since

4. ____　 　we get on well with a number of people, we are usually friends with only a few.

A. When　　　 B. As　　　 C. While　　　 D. Since

3. The news ____ Lincoln was murdered filled the American people's hearts with deep sorrow.

　　　 A. which　　　　 B. when　　　　 C. that　　　　　　　　　 D. how

2. We were all very worried over the fact _____ you were ill.

　 A. that　　 B. what　　　　 C. which　　　　　　　 D. about which

1. ______ cleans the blackboard is to be praised.

　 　 A. Anyone　　 B. Those who　　 C. However　　　 D.　 The one who

15. This year I am more f__________ compared with the time when I was aimless.　

14. It was commonly believed that an honest man won’t have a d__________ son.　

13. Look at the twin sisters! Mary is quite h__________ while Kathy is so lazy.　

12. Ms Wang always spoke k__________ to the children so everyone likes her but Ms. Li always makes us feel unkind.

11. Don’t say any u__________ words to your friends, which may hurt them.