My house is (biger, the biggest) than yours.

This flower is (the most beautiful, more beautiful) than that one.

This is the (interesting, the most interesting) book I have ever read.

Non-smokers usually live (longer, the longest) than smokers.

Which is the (more dangerous, the most dangerous) animal in the world?

A holiday by the sea is (good, better, the best) than a holiday in the mountains.

It is strange but often a coke is (more expensive, the most expensive) than a beer.

Who is the (richer, the richest) woman on earth?

The weather this summer is even (bad, worse, the worst) than last summer.

He was the (cleverer, the cleverest) thief of all.