A day has 24 hours.

The first day of the month is the beginning of a new month.

I like to take a bath after a long day.

Taking a bath is the best on a cold day.

His choice of music is entirely a matter of taste.

He tried to solve the problem all day long.

His hair is very long.

He was studying all day.

You can eat as much as you like.

I like pizza.