在每个空格填入一个适当的句子，使对话完整，通顺。
T: Teacher S: student
T: You look worried, Jim. 76____________________?
S: I have some problems, I need your help. 77_____________?
T: Sure. What are your problems?
S: Well, I want to study English well. But I always can’t do that. What should I do?
T: 78________________________.
S: That sounds like a good idea. I’ll try. I have another problem. 79________last year , but now I am heavy. What should I do?
T: Why don’t you do more exercise to keep fit ?
S: Good. I will run every morning. I feel better now. Thank you very much.
T: 80_____________________________.