1. It's rather t________ working late like this.
答案：tiring
2. The mother was a________ about the children when they didn't come back home from school.
答案：anxious
3. We soon found that prices d________ greatly.
答案：declined
4. You can h________ there or drive through the park.
答案：hike
5. This hall holds a m________ of seventy people.
答案：majority
6. Can I have ________ (额外的) time to finish my work?
答案：extra
7. His ________ (冒险) have been whispered everywhere.
答案：adventures
8. Children sometimes make some people feel ________ (不舒服)．
答案：uncomfortable
9. This is the ________ (主要的) building on the campus.
答案：main
10. I don't know your ________ (偏爱), so please help yourself.
答案：preference
