根据句意及所给提示完成单词。
1. —_____ does your father go to work?
—By bus.
2. There're sixty _____ in an hour.
3. —How far is it from here?
—About 3 k____.
4. The little girl always _____ (担心) about her studies.
5. The _____ (自行车) are very cheap.
6. What does she think of the _____ (运输)?
7. I don't think tigers d_____ on meat.
8. He has a _____ (快的) breakfast.
9. The two boys look _____ (不同).
10. In China, bikes and buses are the most popular m_____ (方式) of transportation.
