---It’s generous ________ him to provide the poor children ___________ so much food.---Yes. I think he is the person that we should admire very much.
Dr. Ma used to two or three persons in the hospital.
The children without parents ______ good care of by their teachers in this special school.
Do you have________ to say about your study?
My uncle is used to for the children in poor areas.
Our teacher told us in the class.