从下面的方框中选择适当的句子填空，使对话完整。
A: May I come in?
B: 小题1: Oh, it’s you, Li Ping. Show me your homework first.
A: Sorry, Mr. Wang. I was not at school yesterday.
B: 小题2:
A: Something was wrong with my left leg.
B: I’m sorry to hear that. 小题3:
A: Yes, it’s a little better.
B: You’d better finish your homework this evening. 小题4: . It’s bad for your eyes. You can show it to me tomorrow. You must look after yourself and keep healthy.
A: Yes, Mr. Wang. I must finish my homework after school today. 小题5:
