Studies show that people are more _______ to suffer from back problems if they always sit before computer screens for a long time.

What’s the matter with John He has been sitting there for hours.—A postcard from his father ______ an attack of home-sickness in him.

Children can discover basic about history in the museum.

Parents often have high expectations for their children. ，it is Chinese parents who are trying their best to make their children nearly good at every subject.

She is the only one of the girls who _______ in the company