And so school goes for 11 hours a day, five days a week.

His last couple of weeks, he'd be gone sometimes for hours and come back without a word.

I don't want her going back to report on us for hours, maybe days.

On the following morning he went out alone, quite early, and was gone for several hours.

He kept the music going strong and sure for hours at a time.

Not everyone goes to school and those that do only go for three hours a day.

Perhaps, like us, they kept the fire going for many hours.

It could go on for hours, or perhaps only minutes.

We had been going for three hours - it was close to one in the morning.

Mother's been gone now for eight hours and there's simply no sign of her.