He is only too ready to help others, seldom, __, refusing them when they turn to him.
He often helps the students _________he thinks are not quick at their studies.
This painting of his had been ____________ by some experts of the world.
My sister has become a nurse, ___________ was what she wanted to be.
As I know, there is _____ person in this neighborhood.
More and more people have got to know the importance of the English study. _____, about six people in ten in this city are able to speak a little English.