1. He is very rich. He isn't happy. (Although)
-> Although he íis very rich, he isn't happy.
2. He got good jobs. He was not satisfied.
-> Although...he got good jobs, he was not satisfied
3. Mr John doesn't wear glasses. He is over 60.
-> In spite of Mr. Pike doesn't wear glasses being over sixty.
4.he had much experience in machinery, he didn’t succeed in repairing this machine.
-> his experience in machinery,despite he didn't succeed in repairing this machine.
5.We did the test well . it was difficult.
-> We did the test in spite of its difficulty.
6.he had not finished the essay, he went to sleep.
-> Although not having finished the essay, he went to sleep.
7. He often tells lies. Many people believe him.
->though he often tells lies, many people believe him