He admitted having opened the suitcase ______________ asking its owner.

He is sad (about/in/on/of) his son’s laziness.

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

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

Have you read any books .......... Agatha Christie?

Did you have a good time _____ Christmas?

This style of architecture is typical ___ the Colonial period.

He has waited _____ her for a long time.

When were you released .......... prison?

This area is rich _________ oil.

My plan is similar ____________ yours, but it is different Ken’s.

A sign warned motorists ______ dangers.

Mozart died ________ Vienna in 1791 _________ the age of 35.

She is serious (with/about/of/for) learning to be a doctor.

Everybody was surprised ..... the news.

He may be quick ________understanding, but he is not capable _____ remembering anything.

This town is famous _________ its hand-woven carpets.

He is retired. He lives________________ his pension.

She is accustomed __________ getting up early.

As an adult, I am independent ......... my parents financially.

The government is trying to make the country safe _____ terrorist attacks.