1. Quang is 1.75 meters tall. Vinh is 1.65 meters tall.
→ Vinh is shorter than Quang.
2. Hang is the fattest girl in my class.
→ No girl in the class is fatter than Hang.
3. The red river is 1,200 kilometers long. The Nile river is 6,437 kilometers long.
→ The Nile river is much longer than the Red River.
4. How many classes are there in your school?
→ How many classes does your school have?
5. That classroom is small.
→ That is a small classroom.
6. Peter is Mary's brother.
→ Mary is Peter's sister.