Enough sleep is good for teenagers. — Quite right. If you for your favorite TV programs, you will feel sleepy.

I don’t remember how many years ago ______________I paid my last visit to the principle of my primary school.

He worked an artist for 10 years.

Were you sick after six hours’ journey ?——Of course. I __________ quickly as soon as it stopped.

. “You must find such long hours very tiring.” “______. I enjoyed it.”