Combine these sentences using RELATIVE CLAUSE
1. Please ask them the time. The train started the trip at that time
2. There are many hotels. Tourists can enjoy their holiday there
3. We'll take you to Dalat. You can enjoy pure air there
4. You can't enjoy hiking in winter. Snow covers everything in winter
5. The field is very fertile. They plant potatoes in the field
6. The little girl sings beautifully. She is wearing the red dress
7. I bought some pencils. They are in different colors
8. Most of the people are nice. They work in my office
9. What happened to the money? It was on my desk
10. What's the name of the scientists? He was won the Nobel Prize