王老师:19139051760(拨打)复制微信 题目 更新时间:2023/4/3 What is the expression of “mind their p’s and q’s” supposed to mean? ( )(本题2.5分) A、 To mind their own business. B、 To remember to say “please”. C、 To remember to say “thank you”. D、 To be well-mannered. 答案 登录 注册 D、 To be well-mannered. 出自:青书学堂 >> 西安石油大学大学英语(2)作业题 西安石油大学继续教育学院