Combine these pairs of sentences using "so……..that"

Combine these pairs of sentences using "so……..that"
1. That woman was very tall. She could almost touch the ceiling. 
2. This coat is very big. I can't wear it. 
3. The coffee was so strong. She couldn't go to sleep. 
4. That bag was very heavy. None of us could carry it. 
5. The stadium is very large. It can hold 60,000 people. 
6. Those lessons are very difficult. He can't understand them. 
7. She was very busy. She couldn't do the housework. 
8. The climate was very bad. All the plants couldn't grow well. 
9. I'm very tired. I couldn't keep my eyes open.
10. That boy is very lazy. He never does his homework.