用恰当的词填空，完成对话，每空一词。
A: Good morning, doctor.
B: Good morning. What’s   with you ,young man ?
A: I can’t see things clearly.
B: How long have you been【小题2】 this ?
A: For about two days.
B: Do you often watch TV?
A: Yes. Almost every day.
B: You know watching TV too much is【小题3】  for your eyes.You must do more【小题4】  exercises and mustn’t watch TV too often. Your eyes will get【小题5】  soon.