儿歌名称：one.hello hello
歌词：
Children: Hello.
Hello.
Children: Hello, what's your name?
Children: Hello.
Hello.
Hello, what's your name?
HELEN: I'm HELEN, I'm HELEN.
Children: Hello, hello, hello.
HELEN: I'm HELEN, I'm HELEN.
Children: Hello, hello, let's go!
