Перепишите диалог в косвенную речь.
Ann- I сan’t imagine you did it! Was it difficult?
Tom- I didn’t think about it. I just did it.
Ann – Were you alone? Why did you do that?
Tom- I wasn’t alone. There were a lot of people. They were watching me. You know, I’m fond of it. I’m going to jump next time. Do you want to come with me?
Ann- I don’t think so. I’m afraid.
Tom- Don’t be silly! I’ll show you what to do.
Ann- Ok. I’ll think about it.

Ann couldn't imagine Tom had done it.

Tom said he hadn't thought about it. He just had done it.

Ann asked if Tom had been alone and why he had done it.

Tom said he hadn't been alone. There had been a lot of people. They had been watching him. He was fond of it. He said he was going to jump the next time. He asked if Ann wanted to come with him. Ann didn't think so/wanted to reject the suggestion. She was afraid.

Tom told Ann not to be silly. He would show her what to do. Ann said (OK) she would think about it.