Part A – Fill in the blanks with because or as.

1. I stayed at home ___ it was raining.
2. She was late ___ the bus didn’t come.
3. I can’t go out ___ I have too much homework.
4. He went to bed early ___ he was very tired.
5. ___ I was hungry, I made a sandwich.
6. We didn’t play football ___ the field was too wet.
7. They couldn’t sleep ___ the music was too loud.
8. ___ it was her birthday, we bought her a present.
9. She wore a coat ___ it was very cold outside.
10. ___ the shop was closed, we went to another one.

Part B – Join the sentences using because or as

1. He didn’t go to school. He was sick.
2. She didn’t buy the dress. It was too expensive.
3. We didn’t take a taxi. We wanted to walk.
4. I’m studying hard. I want to pass my exam.
5. She’s happy. She got a new job.
6. He stayed at home. He had no money.
7. They went to bed. They were very tired.
8. I can’t eat this food. It’s too spicy.