1. I'd love to talk to you.
2. The rain prevents us going out.
3. When I hear his voice, I can't help thinking of my father.
4. The teacher came in, followed by some students.
5. When he walked along the river, he saw an accident.
6. He lay on the floor and fell asleep since he was tired.
7. When we worked in the country, we learned a lot from the farmers.
8. The clothes need to be washed.
9. He concentrates on his study in his spare time.
10. Have you heard from your mother lately?
11. This kind of paper is made of wood.
12. They have lived in Beijing for many years.They've become used to the environment here.