Sandy: My best friend is a boy. He is in our class. W1． is he?
Shelley: Does he l2． music?
Sandy: Yes, he does. And he is good at m3．.
Shelley: Does he play the erhu?
Sandy: Yes, he does. And he p4． the erhu well.
Shelley: I know. H5． is Liu Gang!
Sandy: You are right！
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