求英语情景对话剧本,四人的

提供一个，可以参考一下人物: Xiao Ling (X), Lanlan(L) Yani,(Y) Songtao(S) 地点: 校园 Xiao Ling and Lanlan are on their way to the dormitory. Xiao Ling drops a book and Yani and Songtao who happen to be right behind them, pick up the book and give it back to them. Y: Excuse me, is this your book? X: Thank you so much.