Complete the sentences with because and so.

1. I went home early ... I was very tired.
2. Ali wanted to learn English ... he took an English course.
3. Sara went shopping ... she had no food.
4. My uncle’s car was very old ... he sold it.
5. He didn’t go to the meeting ... he was ill.
6. The dress was very expensive ... I didn’t buy it.
7. Mum bought a big cake ... it was my birthday.
8. We stayed at home ... it was raining.
9. Asha’s was late ... she went by taxi.
10. Layla went to the bank ... she didn’t have any money.
11. The weather is lovely ... we are going to the park.
12. My father has toothache ... he went to the dentist.
13. I will be cleaning the windows ... they are dirty.
14. Anna woke up late ... she missed the bus.
15. My sister lost her doll ... she was very sad.
16. Sally is on a diet ... she wants to be thin again.
17. I don’t go out at night ... it isn’t safe.