Combine the sentences, using the conjunctions given in parentheses.
1. He is very rich , but he isn't happy. ( although )
2. He is very rich , but he isn't happy. (no matter)
3. She can't answer my question. She is very intelligent. ( although )
4. She can't answer my question. She is very intelligent. (no matter)
5. He does anything. He is always careful. (whatever)
6. He does anything. He is always careful. (no matter)
7. She says anything. I don't balieve her. (whatever)
8. She says anything. I don't balieve her.(no matter)
9. He tried. He was not successful. (no matter)
10. He tried. He was not successful. (although)