II. 1. habit 2. century 3. instead 4. tired 5.fresh 6. fruit
III. 1. really 2. staying 3. sports 4. listening 5. Healthy
IV. 1. build us up 2. insteadof 3. gets tired easily 4. Healthy eating habits 5. doing exercise
V. 1-5 BCCAA
VI. One possible version:
My friend Jack wasfat because he liked eating chocolate and ice cream. He felt tired easily. Oneday he saw some people running in the park. They looked really active. So hebegan running in the morning. In the afternoon, he plays basketball with hisclassmates after school. Now he is healthy. He has great fun doing exercise.Exercise helps to build him up. He wants to be a basketball player in thefuture.