1. Ba and Lan don't have a tent , so they never go camping

2. I have to stay at home , so I can finish all my exercises

3. Tan is very slow , so he is late for school

4. The weather is fine , so we have a picnic on the mountain

5. I don't have a bike , so I walk

6. Nhan is so tired that he can't fly his kite

7. The book is so interesting that I read it twice

8. Jane looks so sick that the nurse tells her to go back home to rest

9. The lesson is so dificult that no one can understand it

10. The work is so hard that I can't finish it on time