make one sentence from two using the words in brackets.

1. he is not qualified. he has a very high position. (although)
2. it was noisy. i manager to fall asleep (despite)
3. we don't know each other very well. we study together in the same group (in spite of)
4. it was very noisy. i didn't manage to fall asleep (because of)
5. i have never seen her. i recognised her from a photo (although)
6. don't call me. call me only if it is very important. (unless)