1. 选择合适的句子，补全对话。

A、This is my new pet. B、How are you? C、It's white and black. D、Nice to meet you. E、Let's go.

Sam: Hello, Mike.

Mike: Nice to meet you.

Sam:

Mike: I'm fine. How about you？

Sam: Very well.

Mike: It's so cute.

Sam: Yes，

Mike: Let's go to the park together.

Sam:  OK.