请你根据上下文和首字母提示完成对话。(6%) It’s one forty in the afternoon. The students and Mr Green are having an English class (在上英语课). Mike: Sorry, Mr Green. I’m late. M__________ I come in? Mr Green: C_________ in, please. D________ be late again. Mike: Yes, Mr Green. Mr Green: Now o__________ your books, boys and girls. Students: O__________. Mr Green: Now r__________ the new words, please. Lin Tao: All right.