根据对话内容，从方框内的选项中选出横线上所需的选项（选项中有两项多余选项），并在答题卡上相应的位置按要求填涂。
John: Oh, Tom. Please don’t sit on the chair!
Tom:.  
John: Look! One of its legs is broken. It’s dangerous to sit on it
Tom:   Who’s broken it?
John: I don’t know. I found it when I was cleaning the floor.
Tom: Let’s tell our teacher about it and then someone can repair it.
John: No.  
Tom:. Yourself? Have you learnt to repair a chair?
John: Yes. My father is a worker. He is good at repairing things.  
Tom: Oh, your father taught you.
John:. Certainly. Let’s begin.

A. Hurry up! B. What’s the matter? C. Thank you for telling me about it. D. I think I can repair it myself. E. That’s a good idea. F. He taught me how to do that. G. Shall we do it together?