1. Living in Bac Giang is cheaper than living in Hai Phong.
→ Living in Hai Phong more expensive than living in Bac Giang.
2. Hang is the fattest girl in my class.
→ No one in my class is fatter than Hang.
3. They intend to make this beach a clean and beautiful place again.
→ They are going to make this beach a clean and beautiful place again.
4. How much is this bike?
→ What is the price of this bike?
5. My father is a teacher of History at a secondary school in Nha Trang.
→ My father works as a teacher of History at a secondary school in Nha Trang.