1.Our sources of energy will soon end if we don’t try to save them.Unless we try to sourser of enegy, they'll soon end
2. Barbare plays chess better than Mike.Mike doesn’t play chess as well as Barbare
3. Despite the silly story, many people enjoyed the film Athought the story was silly, many people enjoyed the film
4. Although the ticket price was high, many people went to see that film. However, the tiker price was high
5. He performs very well, although he is young. Despite being young, he performs very well
6. It was a comedy, but I didn’t find it funny at all. In spite of the funny comedy, I didn't find it funny at all
Stydy well !