Nối hai câu đơn đã cho thành một câu ghép, sử dụng liên từ thích hợp

Bài 4: Nối hai câu đơn đã cho thành một câu ghép, sử dụng liên từ thích hợp.
1. Jim was absent from class yesterday. He was suffering from a bad cold.
2. They decided to move their house. They don’t have to travel a long distance to work.
3. Mary hurt her fingers yesterday. She was preparing dinner.
4. At 4pm yesterday, my mother was cleaning the house. I was looking after my younger brother.
5. They decided to go on an excursion. They want to get away from work stress.
6. My father taught me how to use the computer. Before that, I didn’t know how to use it.
7. I arrive at the station. I will call you right after that.
8. My brother is very out-going. I am quite reserved.
9. Mr. Peter was walking home. He was robbed of his wallet.
10. I don’t have a pet. My mother doesn’t allow me to have one.