Complete the sentences with the words because/so.
1. I didn’t go to the rock concert ... I hate this music.
2. It was cold, ... nobody wanted to go for a walk.
3. All shops were closed ... it was Sunday.
4. Mary had a headache, ... she went to see the doctor.
5. George is interesting to talk with ... he reads a lot.
6. There were heavy traffic jams on the roads ... we went by metro.
7. Lucy was tired ... she went to bed early.
8. Russian folk tales are interesting ... their heroes are attractive.