阅读填空

A: That's an interesting instrument. What is it?

B: This is my pipa. It's a traditional ___1___ instrument.

A: It looks like a guitar.

B: Yes, but it's different. A guitar has six ___2___. A pipa only has four strings.

A: It looks like a pear.

B: That's right. It ___3___.

A: How do you play it? Can you teach ___4___?

B: I'll try. Sit down and ___5___ the pipa on your lap.

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