任务型阅读：阅读下面的对话，并回答问题
Kangkang: Hello, Tom. It’s Kangkang. Would you like to play football now?
Tom: No, I’m sorry, Kangkang. I can’t. I’m busy.
Kangkang: What are you doing?
Tom: I’m helping mom. We’re painting (粉刷) our house. It’s interesting.
Kangkang: Can I help you? I love painting.
Tom: Yes, if (如果)you like. Come now. But you  must wear some old clothes.
Kangkang: OK. See you in 15 minutes. See you later!
Tom: See you!
Who is  talking  with Kangkang  on the phone?
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Why can’t Tom play football now?
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Does Kangkang like painting?
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Does Kangkang want to help Tom?
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What must Kangkang wear?
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