Complete the sentences with the correct comparative or superlative form of the words given.
1. Trekking through the mountain is_____ than going on a picnic! (dangerous)
2. The smog in Beijing was_____ I had ever seen.(bad)
3. Air fares are becoming less and _____. (expensive)
4. Beach holidays aren't as_____ backpacking.(exciting)
5. Titanic was_____ passanger ship of all. (famous)
6. The sea warms up_____ in the winter than in the summer.
7. For me, no city is_____Venice.(impressive)
8. You can book online_____ now than when you didn't own a computer. (easy)