1.jack is 5 years (old) than his brother. 2.kate is (beautiful) girl in our class. 3. this bag is (expensive) than that on. 4.bob is (strong) of all. 5.summen is (warm) than spring.

1) Jack is 5 years older than his brother.
2) Kate is the most beatiful girl in our class.
3) This bag is more expensive than that on.
4) Bob is the strongest of all.
5) Summer is warmer than spring