2. I hope ( ) my letter.

15. I＇ve never dined with you, sir; and I see no reason ( ).

14. She was extremely understanding, ( ) helped to calm James down.

13. He arrived late, ( ) was annoying.

12. Angel was the first girl ( ) when you got here.

11. English words are not always spelled ( ).

10. The seventeenth century was one ( ) many significant advances were made in both science and philosophy.

9. "Do you know Tom?"“I think so. Isn＇t he ( ) smokes incessantly(不停地)?"

8. The only thing ( ) really matters to the children is how soon they can return home.

7. She had three sons, all ( ) became doctors.

6. Mr. Li is going to visit the university ( ) he studied 25 years ago.