填空题
Jane: Hello, Tom! I haven't seen you for a long time. (51) Tom: Fine, Thank you. (52) Jane: I'm fine, too. Thanks. Tom, let me introduce you my friend. He is an engineer. Mike: (53) Tom: Nice to meet you, too. (54) ? Mike: My name is Mike. I worked in a factory. (55) ? Tom: My name is Tom. I am an English teacher in No. 5 Middle School.