请把Betty与Tim之间的对话重新排列，使句意通顺。（写序号）
⑴Bye!
⑵Hello, Bob.
⑶Hello! 6503794.
⑷OK. Thanks. Goodbye!
⑸Oh, sorry! He’s not at home.
⑹Hi, Betty. This is Tim.
⑺No, this is Betty.
⑻Is Bob in? Betty.
⑼Fine,thanks,Tim.
⑽How are you?
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