阅读短文，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? I love painting.

Tom: Yes, if (如果) you like. Come now. Wear some old clothes.

Kangkang: OK. See you in 15 minutes. See you later!

Tom: See you! 

1. Who is Kangkang phoning?

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2. Why can't Tom play football now?

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3. Does Kangkang like painting?

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4. Does Kangkang want to help Tom?

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5. What must Kangkang wear?

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