根据汉语提示完成对话。 Boy: Doctor, I'm too heavy.C
题型：补全对话，情景问答
问题：
根据汉语提示完成对话。
Boy: Doctor, I'm too heavy.Can you help me to lose some weight?
Doctor: 1._____ (每天做早操很有必要)
Boy: 2._____ (吃很多甜食不好，是不是)?
Doctor: That's right. It's bad for you to eat too much sweet.
Boy: 3._____ (每天游泳1个小时， 行不行)?
Doctor: Yes, that's a very good exercise.
Boy: Anything else?
Doctor: Yes. 4._____ (饭前可以吃点儿水果)
1._______________________________________
2._______________________________________
3._______________________________________
4._______________________________________