My office pool is very convenient.

I rode on a first-class airplane for the first time.

I booked a business class for the next flight.

I will take a flight in economy class.

Good Friday is an important holiday in Christianity.

I will abstain from attending this meeting.

He specializes in the study of fish claspers.

We are participating in this project by delegation.

Please remember to bring your admission ticket.

I distributed materials to all participants.