In this chemical experiment, we will examine the properties of benzoic acid.

He decided to challenge the exploration of the Dark Continent.

I have been to Antwerp.

He was out of breath after running a long distance.

He explained the importance of studying while young, saying 'If you do not study when you are young, it will be difficult to learn when you are old.'

He is looking for a new job at the public employment security office.

She was always supported behind him, hidden from view.

I suggested a new project.

His suggestion was very innovative.

I fed the pigeons in the park.