1. My mum thinks that cats are ___________ (intelligent) pets than dogs.
2. Cycling is one of ___________ (dangerous) sports.
3. Bicycles are ___________ (slow) than cars.
4. She is ___________ (nice) person I know.
5. Glass bottles are ___________ (good) than plastic bottles.
6. I think Rafael Nadal is ___________(good) tennis player in Spain.
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1. more intelligent

2. the most dangerous

3. slower

4. the nicest

5. better

6. the best