During the examination we are required to stay in our seats, keep our eyes on our work, to anyone

Lots of people in our city __________ the old and the disabled. They usually offer their seats to them on buses or help them cross the road.

Our school is only a ________walk from here.

下列各句中，没有语病的一句是（ ）

His cousin, who had just been _______ to Beijing University, was killed in a traffic accident