As we all know, many Chinese words have come into English, ______ typhoon, tofu and kung fu.

What ____ he_____ last weekend?— He went to a movie.

What’s the matter?—I have a stomachache. You ______eat so much next time..

The teachers ________ on the blackboard with chalk in the future.

It is thought that one billion people I the world, _is half the word’s workers, earn their living by farming.