III. Underline the mistake in each sentence and correct it.

1. The cost of living in the countryside is more low than in the city.

2. In general, putting up a tent is not as difficult than building a house.

3. Harvest is the most busy time of year in the countryside.

4. Dogs are much more better than human beings at detecting smells.

5. Life in a big city is more exciting as life in a small town.

6. This cottage is near to the main road than that red one.

7. The paddy fields in the mountains are usually not as larger as those in the lowlands.

8. The path through Dead Valley is more dangerous in my country.