Choose the right comparative form. 1. nick is (happier, the happiest) bot that i know. 2. of the six cars, i like the silver one (better, best). 3. jane`s notebook is (cheaper, cheapest) that mine. 4. this is (more delicios, the most delicios) cheese-cake i have ever had. 5. this bookcase is (more beatiful, the most beatiful) than that one.