简单问候语Hello/Goodbye — 英语情景题

Read and fill in the blanks.（根据情景补全对话，每空一词，注意大小写。） It is 4:00 in the afternoon. School is over. Tom meets his friend Sam at the school gate, and they say hello and goodbye to each other. Tom: Good (1)________, Sam! Sam: Good afternoon, Tom! Tom: How are you today? Sam: I'm (2)________, thank you. And you? Tom: I'm fine too. See you tomorrow! Sam: (3)________ you! Goodbye! Tom: Goodbye, Sam!