E    Developing good habits that will help students succeed can never start too early. These routines will help students in school and for the rest of their lives and give them the tools to live life to the fullest!    65  We need structure and routine in our lives. Our bodies perform best when we operate on a regular schedule. Eat and sleep about the same time each day. This routine stays with a person their whole life and helps them to develop good work habits. We need physical activity to stay healthy. Find exercise routines that are fun and match our individual tastes, which will increase both the quantity and the quality of our life.    Be grateful.  66    The grass often seems greener on the other side of the fence. It is really important to learn gratitude and think about the things you should be thankful about.Be punctual. Arriving on time is important to one’s success. People always notice when you are late. It is a sign of whether you mean what you say and what you do can be trusted.    67Never give up and struggle for excellence!  68    Determination in life is extremely important to enjoy any kind of success. And why not do a job if you aren’t going to do it tonight、 Develop the habit of giving every task your best effort. Struggle for excellence in all we do.Good habits developed now will last a lifetime! The quicker you make these habits that you live by, the better life you will experience.根据短文内容，从A、B、 C、D和E中选出最适合放入短文空缺处的选项。选项中有一项是多余的。