Find and correct the mistake in each of the following sentences

Exercise 3: Find and correct the mistake in each of the following sentences.
1. The bus is cheapper than the train.
Correction: ___________________
2. The countryside is beautifuller than the town centre.
Correction: ___________________
3. No mountain in the world is the biggest than Everest.
Correction: ___________________
4. It’s beeter to travel by car around my city.
Correction: ___________________
5. My friend is more far from the city centre than my friend’s house.
Correction: ___________________
6. Come to my house by bus. It is more easy than the car.
Correction: ___________________
7. The living room is biggest than the kitchen.
Correction: ___________________
8. My Japanese class is fun than his English class.
Correction: ___________________
9. This chair is comfortabler than the other.
Correction: ___________________
10. No one in my group is more kinder than Duong.
Correction: ___________________