根据汉语提示补全句子。
1. I want to go to Guilin on my ____________ (旅行).
2. There are about ____________ ____________ (三千) books in our library.
3. Which one is ____________ (更快) , bus or train? I think train is.
4. ____________ ____________ (多远) is it from hospital to your school? Three kilometres.
5. When does your bus ____________ (到达)? At about 6: 00 in the morning tomorrow.
