Which is the highest (high) building in the world?

Skateboarding is a dangerous hobby. Bungee jumping is more dangerous (dangerous) than skateboarding.

I have three sisters: Jan is the oldest (old) and Angela is the youngest (young).

Who has been the worst (bad) singer of the group?

This car is certainly better, but it's much more expensive (expensive).

We live in a small house, but my grandparents' house is even smaller (small) than ours.

This factory produced twice as many (many) motorbikes in 2014 as in the year 2012.

She is one of the most polite (polite) people I have ever met.

People say that Chinese is more difficult (difficult) to learn than English.

She is the most beautiful (beautiful) girl I have ever met.

Our hotel was cheaper (cheap) than all the others in the town.

Potential dehydration is often the greatest (great) hazard that a land animal faces.

In the last holiday I read a good book, but my father gave me an even better (good) one last weekend.

I bought the cheapest (cheap) shirt of the shop.

School is boring, but homework is much more boring (boring).

A park bench is comfortable, a restaurant chair is less comfortable (comfortable), but a sofa is the most comfortable (comfortable).

Yesterday John told me a funny joke. This was the funniest (funny) joke I've ever heard.

Here is Emily. She's six years old. Her brother is nine, so he is older (old).

My sister was the smallest (small) girl in her classroom.

This museum has got the largest (large) collection of antique objects in the world.

Kava dances the most gracefully (gracefully) of all the participants.

The curriculum at the public school is as good as or better (good) than that of any private school.

He visits his family more frequently (frequently) than he used to.

In the UK, the streets are generally narrower (narrow) than in the USA.

People in Africa are the poorest (poor) in the world.

They are beautiful girls but I think Susie is the loveliest (lovely) of the two.

Valencia played worse (bad) than Real Madrid yesterday.

Nowadays more people (many) are unemployed.

The harder (hard) you study for these exams, the better (good) marks you will get.

Thanks to the progress of science and technology, our lives have become easier and better (good).

It gets more and more difficult (difficult) to understand what the professor is explaining.

The more (much) he drank, the more violent (violent) he became.

Earning money has always been the thing that pleases him most, the richer (rich) he becomes, the happier (happy) he is.

I can't stand this weather. It's getting hotter and hotter (hot).

The bigger the supermarket is, the wider (wide) the choice is.

Eating and traveling in this city are getting more expensive (expensive).

Why don't you buy bananas when they are a little more expensive (little expensive) than apples?

Marine reptiles are among the few creatures that are known to have a possible life span greater (great) than that of man.

This one is prettier, but it costs three times as much (much) as the other one.

The more (much) we learn, the more we forget.