Exercises: Comparatives and superlatives

Fill in the correct form of the words in brackets (comparative or superlative).

1. My house is (big) than yours.
2. This flower is (beautiful) than that one.
3. This is the (interesting) book I have ever read.
4. Non-smokers usually live (long) than smokers.
5. Which is the (dangerous) animal in the world?
6. A holiday by the sea is (good) than a holiday in the mountains.
7. It is strange but often a coke is (expensive) than a beer.
8. Who is the (rich) woman on earth?
9. The weather this summer is even (bad) than last summer.
10. He was the (clever) thief of all.

Source and answers: http://www.ego4u.com/en/cram-up/grammar/adjectives-adverbs/adjectives/exercises