Exercise 6
awful => delicious
cheap => expensive
boring => interesting
safe => dangerous
historic => modern
ugly => beautiful
1. Pho is the most delicious food
2. My family had a lot of fun in Ha Noi. It is the most interesting trip
3. I want to visit Italy in the future because it is the most beautiful country
4. People must be well-prepare when they visit the Amazon River, one of the most dangerous places in the world
5. Amsterdam High School is the most modern school in Viet Nam with high-tech facilities
6. Japan is one of the most expensive countries in the world. It costs you a lot of money to live there.
Exercise 7
1. The Great Wall is the world's (long) longest structure
2. The Mekong River is (long) longer than the Red River
3. Mexico City is (big) bigger than Tokyo
4. Ho Chi Minh City is the (big) biggest city in Viet Nam
5. China has the (big) biggest population in the world
6. The Nile River is the (long) longest river in the world
7. Fansipan is the (high) highest mountain in Viet Nam
8. Buri Khalifa in Dubai is the world's (tall) tallest building
9. Russia is the (big) biggest country in the world
10. Petronas Twin Towers in Kuala Lumpur is (tall) taller than Sears Tower in Chicago.