We went ............. the theatre last night. We had seats ........... the front row.

He spoke .......... a whisper.

Bien Hoa is secured .......... floods.

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

Thank you. You are kind ............ me.

Hurry up! We’ve got to go ......... five minutes.

They live .......... rice.

I must hurry. I want to get home ............. to see the football match on TV.

Endangered species are plant and animal species which are ________ danger of extinction.

Why don't you ask_____________ a pay increase?

The air at the seaside is good (at/for/on/of) health.

We benefit greatly ____________the medicines and other products that biodiversity provides.

China became the third country in the world to be able to independently carry __________ manned space flights.

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

He is retired. He lives________________ his pension.

She likes reading books ....... the library.

Those books deal mainly_______ tropical plants.

Water consists _____ oxygen and hydrogen.

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

In boxing it is a foul to hit .......... the belt.

Life is just one trouble .......... another.