1. As I wait for the bus, I talked with my new-found friend. -->
2. Somchai he will be representing Laos in the Olympics. -->
3. He is going to school when I stopped him. -->
4. Hana have been working since 5 o'clock this morning. -->
5. While his mother was cooked, he studied his English. -->
6. She has just went to the meeting at the municipal hall. -->
7. The roads were flooding because it had been raining heavily. -->
8. He has been working here for sometimes. -->
9. He stopped to see if he could picked up the trail. -->
10. Although he jumped aside, but the stone hit him. -->
11. Those trees which are fell must be immediately replaced. -->
12. Let us worked together to make the world a cleaner and healthier place to live in. -->
13. Them feel that some action must be taken before it is too late. -->
14. The cutting of forest trees must be minimize to prevent soil erosion. -->
15. My best friend is angry at me because she thinks I am interested in her boyfriend. -->