根据所给图示完成对话。
A: What are you doing?
B: I'm 1 my plane. Thereis something wrong 2 it. Could you help me 3 it?
A: I'm 4 . I can't help you. I'm very busy now.
B: That's all right. Well,do you 5 a knife? Mine is at home.
A: Yes, I 6 one.
B: May I 7 it?
A: Certainly. 8 . Please give it back soon.
B: I think I can give it 9 to you this afternoon
A: This afternoon? I'm not at school.
B: What 10 tomorrow?
A: That's OK.
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6.______ 7.______ 8.______ 9.______ 10.______
