1. this pie is smaller and cheaper than that big pie2. Ho Chi Minh city is more mordern than Hoi An 3. A house in the countryside is often cheaper than a house in the city4.  It's usually quieter to live in the countryside than in the city5. Da Nang is cleaner than Hanoi

1
. this pie is smaller and cheaper than that big pie

2.
Ho Chi Minh city is more mordern than Hoi An 

3.
A house in the countryside is often cheaper than a house in the city

4.
 It's usually quieter to live in the countryside than in the city

5.
Da Nang is cleaner than Hanoi