He walked .......... the room .......... which we were sitting.

Please put your stuff away to make room ______ the new computer.

“What time will you arrive?” “I don’t know. It depends ......... the traffic.”

Tepees are characteristic ______ the Indian tribes of the Great Plants.

His father used the money he won to set_________ his own company.

......... the most part, his explanations are quite easy to understand.

Mr. Foster lives_____ 667E 76^th street______ New York.

She burst .......... tears.

If you don't know the meaning of the word, look it __ in the dictionary.

She gave some advice .......... her brother.

Our study is very important____________ our future and useful_____________ our country.

My little son was interested ............... fixing broken objects and making new things.

I came on Monday at ten o'clock .......... the morning.

Look! That car is .............. ! Someone calls the fire brigade.

We can't get everything we want from life; we must just make the best .......... it.

Oxygen, fuel, and hear are all necessary _____ combustion.

Last night I was invited ___ a formal get-together and I enjoyed myself a great deal.

I'm interested (at/in/on/of) current events.

On Christmas Eve children go to bed full ........ excitement.

The teacher tried to explain the new formula ______________ his students.

Iraq is rich (on/at/to/in) oil.