1. The weather was bad. We went camping.
➜ Although the weather was bad, we went camping
2. They slept soundly. The night air was hot.
→Even though the night air was hot, they slept soundly
3. The girl doesn't look happy. Today is her birthday.
→Even though today is the girl's birthday, she doesn't look happy 
4. It was raining, but we went swimming.
➜ Although it was raining, we went swimming
5. He was sick, but he still went to school yesterday.
→Even though he was sick, he still went to school yesterday
6. The lesson was long, but it is interesting.
Although the lesson was long, it is interesting
7. The weather is fine, but Thu is still bringing a raincoat with her.
➜ Although the weather is fine, Thu is still bringing a raincoat with her.
8. Although she was poor, she is always happy.
→ Despite her poverty, she is always happy
9. He came to work on time although there was heavy traffic.
→ In spite of the heavy traffic, he came to work on time
10. Although he is very tired, he has to finish his homework.
→ In spite of his tiredness, he has to finish his homework