1. Nam will pass the exam. He studies hard

=> Nam will pass the exam because He studies hard

2. Mary came to class late. Her motorbike had a puncture.

=>Mary came to class late because Her motorbike had a puncture.

3. Her mother was very sick. She couldn’t come to class

=>Her mother was very sick so, She couldn’t come to class

4. Tom was very lazy. He passed the final examination as well.

=> Tom was very lazy so He passed the final examination as well.

5. Daisy is very nice. All her friends love her very much.

=>Daisy is very nice so All her friends love her very much.

6. Daisy is a very intelligent girl. She always gets the scholarships.

=> Daisy is a very intelligent girl so She always gets the scholarships.

=> Because Daisy is a very intelligent girl,She always gets the scholarships.

7. We will take the trip. It is stormy.

=> We will take the trip called stormy.