1. Jim was absent from class yesterday because/as/since he was suffering from a bad cold.
2. They decided to move the house so that they don't have to travel a long distance to work.
3. Mary hurt her fingers yesterday while she was preparing dinner.
4. At 4 p.m yesterday, my mother was cleaning the house while I was looking after my younger brother.
5. They decided to go on an excursion because they want to get away from work stress.
6. Before my father taught me how to use the computer, I didn't know how to use it.
7. When I arrive at the station, I will call you.
8. My brother is very out-going but/whereas/while I am quite reserved.
9. When Mr.Peter was walking home, he was robbed of his wallet.
10. I don't have a pet because/as/since my mother doesn't allow me to have one.
