Professor Holloway, an eye____________（专家）, organized a national survey of eye diseases in children.
Someone in another car started making             (手势) and pointing at our tires.
There is a c            between pollution and the death of trees.
He was a little boy, but he b            as if he were an adult.
It was            （令人吃惊的）to everyone that the court had made such a decision.
              （不幸地）he won’t be here tomorrow evening.
The National Day was celebrated              (遍及) the country.
A museum should aim to e           as well as educate.
The novel describes the way of life of the o          people there.
She’s s           to bring up a family alone.