man, woman and child ______some history, enough at least, to survive in the world.

Let’s watch the news on CNNIt at eight o’clock

He failed his maths examinations ________his careless work

A lotof food as well as some tents _________to Yushu since the earthquake occurred.

Look! The window is brokenSomeone broke it _____ purpose— That may be rightBut perhaps it was broken _____ accident[ ]