15 ! v choose the right comparative form nick is (happier, the happiest) boy that i know. of the six cars, i like the silver one (better, best). jane’s notebook is (cheaper, the cheapest) than mine.. this is (more delicious, the most delicious) cheese-cake i have ever had this bookcase is (more beautiful, the most beautiful) than that one.
Of the six cars I like the silver one best
Jane's notebook is cheaper than mine
This is the most delicious cheese-cake I have ever had
This bookcase is more beautiful than that one