请根据所提供的信息和语言素材进行教学设计。
学生概况：本班为中等城市普通学校初中三年级的学生，班级人数为50人。学生能够积极参与课堂活动，合 作意识较强。
教学时间：45分钟。
Girl 1: Where are you going, Larry?
Boy 1: To Tom’s party.
Girl 1: Lucky you! I’d love to go to that party!
Boy 1: Yeah, well, I’m a little nervous.I don’t know what to wear.
Girl 1: If I were you, I’d wear a shirt and tie.
Boy 1: What if everybody else is wearing jeans and T-shirts?
Girl 1: Oh, you shouldn’t worry about what other people are wearing.
Boy 1: And I don’t have a present.What if everyone brings a present?
Girl 1: If I were you, I’d take a small present——a pen or something.Keep it in your pocket and if everyone has a present, you can give him yours.If not, you can keep it.
Boy 1: OK.But what if I don’t know anyone?
Girl 1: If you don’t know anyone, you can talk to Tom.He’ll indivoduce you to people.
Boy 1: I guess I can do that.
Girl 1: Look! You’re sure to have fun.But if you’re still nervous, you can leave.