1. It was raining, however, we still went to the park.
2. The weather is cold, therefore she put on a warm coat before going to work.
3. The students were well-prepared, so they easily got high scores in the last examination.  
4. He produces things quite slowly, but his products are really good.
5. She was thinking of buying a new car, but her friend convinced her to buy a used car.
6. She is a very hard worker, so she is loved by everybody in her factory.
7. I felt really sick last night, so I couldn't come to your party.
8. If you don't do your homework, you will get a bad mark and be kicked out of school.
9. The young boy was sent home because he refused to obey the teacher.  
10. It cost a fortune to renovate our house, however, it was worth it.

1.    It was raining. We still went to the park. (However)

®It was raining. However, we still went to the park.   

2.    She put on a warm coat before going to work. The weather is cold. (Therefore)

®The weather is cold. Therefore, she put on a warm coat before going to work. 

3.    The students easily got high score in the last examination. They were well-prepared. (so)

®The students were well-prepared so they easily got high score in the last examination.

4.    He produces things quite slowly. His products are really good. (but)

®His products are really good but he produces things quite slowly. 

5.    She was thinking of buying a new car. Her friend convinced her to buy an used car. (but)

®She was thinking of buying a new car but her friend convinced her to buy an used car.

6.    She is loved by everybody in her factory. She is a very hard worker. (so)

®She is a very hard worker so she is loved by everybody in her factory.

7.    I felt really sick last night. I couldn’t come to your party. (so)

® I felt really sick last night so I couldn’t come to your party. 

8.    You don’t do your homework. You will get a bad mark. You will be kicked out of school. (if, and)

®If you don’t do your homework, you will get a bad mark and be kicked out of school. 

9.    The young boy was sent home. He refused to obey the teacher. (Therefore)

®The young boy refused to obey the teacher. Therefore, he was sent home

10.  It cost a fortune to renovate our house. It was worth it. (However)

 It cost a fortune to renovate our house However, it was worth it.