6. Because she coughed and sneezed, the doctor said she had to stay out of crowd.
7. Since it got dark, I couldn't read the letter.
8. I didn't come in time because there was a traffice jam.
9. He stayed at home yesterday because his mother was sick.
10. We didn't want to go out because it rained heavily.

1. She saw the wanted man in a small coffee shop. She phone the police.
--> Because she saw the wanted man is a small coffee shop, she phone the police
2. The teacher is sick. We 'll have no class tomorrow.
--> The teacher is sich so we'll have no class tomorrow.
3. She walked slowly. Her leg was injured.
--> She walked slowly because her leg was injured
4. Mary looks happy. She has just got good marks.
--> Mary looks ahppy because she has just got good marks.
5. He came to the office 10 minutes late. He missed the first bus.
---> He came to the office 10 minutes late because he missed the first bus
6. She coughed and sneezed. The doctor said she had to stay out of crowd.
--> She coughed and sneezed so the doctor said she had to stay out of crowd
7. It got dark. I couldn't read the letter.
--> It got dark so I couldn't read the letter.
8. I didn't come in time. There was a traffic jam.
--> I didn't come in time because there was a traffic jam
9. He stayed at home yesterday. His mother was sick.
--> He stayed at ho,e yesterday because his mother was sick.
10. We didn't want to go out. It rained heavily.
--> We didn't want to go out because it rained heavily