Поставьте прилагательные в нужную форму. 1. Kate is (young) than Mary

Поставьте прилагательные в нужную форму. 1. Kate is (young) than Mary. 2. John is the (clever) boy in the class. 3. This sentence is (difficult) than the first one. 4. My dog is as (good) as yours. 5. His dog is (good) than yours. 6. Tom is (tall) than Richard. 7. Jack is (rich) than Richard, but I don*t think he is (happy) than Richard.