1 - c, 2- b, 3 - b, 4 - c, 5 - c, 6 - a, 7 - b.

1 - the worst, 2 - smaller, 3 - the hottest, 4 - more interesting, 5 - better, 6 - cleaner, 7 - the most popular.

1 - were, 2 - works, 3 - played, 4 - writes, 5- will come, 6 -  works.