题目

Friends play a very important part in everyone’s life. Friendship usually develops during childhood. New friends are made when you progress through school. Those friends that you make as a student can usually last long. Friends influence your development, maturity （成熟）and sense of responsibility. A familiar expression is “You can tell a lot about a person by knowing who his friends are.” Friendship is based on common interests. If you like sports, most of your friends are likely to be athletic. If you enjoy reading and shopping, most of your friends do the same.    Some people .——Dad, must I finish my homework today?——No, you . You may do it tomorrow.A. needn’t B. mustn’t C. don’t D. won’t