Clean air is necessary ........... our health.

Go and get me a carton .......... cigarettes.

Not all books belong _________this class.

She’s never satisfied ____________ what she has got.

She was sad because he was very rude ____________ her.

Where is Jimmy? – He is ________ work. He is busy _________ his monthly report.

Are you excited .......... going on holiday next week?

Every student should spend .......... least two hours on his homework every night.

He didn’t even have the intelligence to call _________ an ambulance.

I cannot do it .......... you.

Contrary ......... what most people used to believed, these minerals are not renewable.

John has gone away. He’ll be back ......... a week.

There is an increasing demand _____ taller building in big cities.

She has become very famous .......... her novels.

How would the mind deal _____________ the psychological tension?

_______ the game last evening, my cousin hurt his ankle.

You don't like it, do you? ... the contrary, I love it.

The car went .......... full speed.

Our flat is ....... the second floor of the building.

Mrs. Liz was accused _______ having stolen the car.

Here’s a shopping list. Don’t buy anything that’s not ............. the list.