完成对话。从选项中选出能填入空白处的最佳答案。 A. What company do you work for? B. It's very nice to meet you. C. How about you? D. What do you think of the speeches? E. I'm sorry. A: Good morning. B: Good morning. A: 1 . B: I learned a lot about international business. A: Is this your first meeting? B: Yes, it is. 2______ I'm Marie Pirelli. Please call me Marie. A: Okay…Marie. My name is Mayumi Yamada. B: 3______, I didn't catch your first name. A: It's Mayumi. 4______ B: I' m with Coca-Cola. 5______ A: I work for the Sony Corporation.