CẦN GẤP Ạ !!!
1 She is very rich. She isn't happy (although)
2. She is very poor. She is happy, (though)
3. He can't answer my question. He is very intelligent (although) 
4. He tried a lot. fle was not successfül. (even though)
5. His life is hard. He studies very well. (although)
6. He got a good job. He was not satisfied. (although)
7. It was cold. He didn't wear warn clothes. (though)
8. He often tell lies. Many people believe him. (although)
9. I have a broken leg. I fell over while I was playing basket ball. (since)
10. Hoa feels sick. Hoa wants to go home (as)
11. I broke the cup. I was careless. (as)
12. Ba is tired. Ba stayed up late watching TV. (since)
13. I haven't eaten all day . i am hungty ( because)
14. Nga is going to be late for school. The bus is late. (because)