\(\dfrac{5}{7}\)

1. Sai Gon is bigger than Ha Noi
2. Winter is colder than summer
3. My house is smaller than her house
4. A motorbike is more expensive than a bike
5. The Nile River is longer than The Red River
6. Comics is more interesting than books 
7. This boy is better than that one
8. City life is noisier than country life (sai cho mik xl)

1. Ms.Lan is a librarian at school.
2. I think paper recycling is important
3 I always bring a reusable shopping bag
4 His brother is interested in recycling

1. Ms.Lan is a librarian at school
4. His brother is interested in recycling