4．
阅读短文，选出正确的答案
Helen has four brothers and sisters. They are Jenny, Peter, Bill and Anna. Helen is the oldest of them. Jenny is thirteen years old. She is two years younger than Helen, and one year older than Peter. Bill is nine and Anna is seven years old. Jenny and Peter are good runners. But Peter can run faster. Helen and Anna like to play basketball after school. Helen plays better than Anna. Bill is the best singer of the five. Helen and Betty study in a middle school. Peter, Bill and Anna study in an elementary school. They all work hard at their lessons. They help each one another(互相) and they love one another.
