Personal computers ______ in 1976. It haschanged the whole world.

Do you know _______ —He will be an actor.

Mothers holding jobs outside the home should have __________ schedules to make it easier to care for their children.[ ]

Can you tell me why you learn English so well—It’s very simple. ____you work, ____ grades you will get.

She was working in the room suddenly she heard a boy crying and ____ out as quickly as she could to see what was happening