请求允许和应答（Asking for permission and responses）[文章版权 禁止转载:考试与评价 $' BI:lz@/K(TPOLFroG]

    1. May I...? Can/Could I...?[文章版权 禁止转载:考试与评价 uTC[w}" ==)Z?sUFroG]

    2. Yes. /Certainly. Yes， please do. Of course (you may). That's OK. /All right.[文章版权 禁止转载:考试与评价 bfY[?o k4L#VQx&FroG]

    3. I'm sorry， but... You'd better not.[文章版权 禁止转载:考试与评价 #YG s Bdf!88EnmFroG]