Complete the sentences with comparative or superlative form

Exercise 3: Complete the sentences with comparative or superlative form
1. Mount Everest is (high) .__mountain in the world.
2. Winter is (cold)__season in the year.
3. Going by car is (convenient) __going by bicycle in this area.
4. The Sahara is (hot)__ desert in the world.
5. This building is (modern)__that one.
6. The boat trip is (good) __experience of my life.