1.He has the vase . She is very angry > Because
2. He has smoked a lot , so he catches cancer > Because
3. She broke the glass . She was careless > Since
4. Although Tom was a poor student , he studied very well > In spite
5. Mary could not go to school because she was sick > Because of
6. Although the weather was bad , she went to school on time > Despite
7. My mother told me to go to school although I was sick > In spite
8. Because there was a big strom , I stayed at home > Because of