BÀI 1 :
1. It's the cheapest restaurant
2. It was the happiest time
1. He is the smartest student
4. Summer is the hottest season
BÀI 2 :
1 . Our house is the biggest in the street
2. He is the oldest in four children
3. Her computer is the newwest in her class
4. Mr Smith is the best teacher in his school
5. My puppy is the youngest in all my friend's dog
6. The Nile is the longest river in the world
7. These oranges is the sweetest in many type of orange
8. Traveling by plane is the fastest way
9. Sam is the worst player in the team
10. What is the largest city in the world