......Part A......A: Hi, Tom! How's it going?甲：嗨，汤姆！近来如何？B: Great! Who's your friend?乙：很好！你的朋友怎么称呼？A: Oh! I'm sorry. This is Kay.甲：噢！真抱歉。这位是凯。B: Pleased to meet you, Kay.乙：幸会，凯。C: Nice to meet you.丙：幸会。
