D.
advice E .have It ’ s very important to be in a good mood( 心情 ). How can we keep in a good mood? Here ’ s some 1 . First, you should do sports often. That helps you keep 2 . As you know, good health can help you be in a good mood. Second, you ’ d better 3 healthy eating habits. Then, good hobbies can also help you a lot, too. For example, you can listen to music and read some good books. 4 , when your classmates or friends are in trouble, you should try to help them. When you help others, you will feel 5 .