1, Jane was worried because/as/since she stayed at home alone.
2, Tom couldn't get the job because/as/since he was not confident during the interview.
3, I have to work extra hours because/as/since I want to help support my family.
4, We admire him because/as/since he is very talented.
5, She has to depend on us because/as/since she is an orphan.
6, I enjoy reading books because/as/since they help broaden my knowledge of the world.
7, Don't believe him because/as/since he is always being a liar.
8, I haven't finished my assignment yet because/as/since I don't have enough materials.
9, You must do it right now because/as/since it's very urgent.
10, I feel attracted to her because/as/since her voice is very sweet.
