A: Hello, Cindy!
B: I'm fine, thanks.
A:
B: My favorite subject is science.
A:
B: Because it's difficult but interesting.
A:
B: Mr. Lin is my science teacher. We like him very much.
A: Oh, Mr. Lin. Today is Friday. It's Mr. Lin's birthday. I know he'll have a
birthday party tonight.
B: Let's go to his birthday party.
A:
