题目：
根据句意完成单词：
1. She came in ________ (穿过) the city from west to east.
2. When a baby is crying, maybe he is ________ (饥饿的).
3. Don't eat too much. You must take more ________ (锻炼).
4. I love rice and ________ (蔬菜) more than hamburgers.
5. The traveler was so ________ (疲劳的) that she couldn't walk on.
6. Many happy and ________ (健康的) children are playing in the park.
7. I will not ________ (改变) my mind.
8. She gets a ________ (空闲的) afternoon once a week.
9. The car ________ (花费) him around ten thousand US dollars.
10. This dress is twice as ________ (昂贵的) as that one.
答案：
1. through 2. hungry 3. exercise 4. vegetables 5. tired
6. healthy 7. change 8. free 9. costs / cost 10. expensive / dear
