Catherine, I have cleaned the room for you.—Thanks. You _____it. I could manage it myself.

Not only can ______shut-eye leave us feeling tired and lazy but it can also be damaging our health and looks.

Some pre-school children go to a day-care center, __________ they learn simple games and songs.

_________ is known to all，good friends _________ happiness and value to life.

Do you need any help, lucy –Yes. The jobis _____I could do myself.