补全对话。根据下面的对话情景，在每个空白处填上一个适当的句子，使对话的意义连贯、完整。（共5小题，计10分）
A：Good morning, Doctor Wang.
B：Good morning, young man. What’s wrong with you?
A：I have a stomachache.
B：            
A：It began about 2 days ago.
B：            
A：No, I seldom have breakfast.
B：Oh, it’s not good.            
A：Yes, I like fast food very much.
B：            
A：Every day.
B：I see. You have a bad eating habit. You’d better change it.
A：OK             Thank you!