听对话,补单词。 M: Hello! How are you? W: Fine, thanks. And you? M: I'm OK. What's this in English? W: It's 1 . M: What color is it? W: It's 2 . M: Oh, What's that? W: It's 3 M: What color is it? W: It's 4 M: And What's that? W: It's 5 M: What color is it? W: It's white.