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【听力材料】
(1)Hi, I’m Bobby. This is my mother.
(2)——Are you Yang Ling?
——Yes I am, He’s my friend , Wang Bing.
(3)Good morning. I’m Helen. She’s my friend, Su Hai.
(4)—— Are you Liu Tao?
——No, I’m Mike.
(5)Good afternoon, I’m Tim. He’s my grandfather.