Unit 4 Shopping in the City
Lesson 21 Cinema and Park
T: Hello. Boys and girls.S: Hello. Miss…T: Nice to meet you.S: Nice to meet you, too.
  Greetings.
S1: May I help you?S2: Yes, please. I want to buy a dress.   Where are the dresses?S1: I’ll show you. This way, please. Here they are!
复习对话。