1. The teacher is sick so we'll have no class tomorrow.
2. She walked slowly because her leg was injured
3. Mary looks happy because she has just got good marks.
4. He came to the office 10 minutes latebecause he missed the first bus.
5. She coughed and sneezed so the doctor said she had to stay out of crowe
6. I didn't come in time because there was a traffic jam
7. He stayed at home yesterday because his mother was sick.
8. We didn't want to go out because it rained heavily
9. It's raining. We stay at home.
10. Most people hear jogging is a good exercise. They begin to jog.
11. The climate in the country is healthy. People like to live there.
13. Tomorrow is public holiday. All shops will be shut.
14. I couldn't do the test. It was difficult
15. I couldn't read the letter. It was dark.
16. He came late .It rained heavily
17. I can't study. It is noisy.
18. The train came late. It was foggy.
19. All the teacher loves him. His conduct is good.
20. The train was late. The fog was thick.
21. We stopped our car. The traffic lights turned red.