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 http://www.trgroup.com.cn/te/ :Bb4x1]XlNC+VfQFroG]

    1. May I...? Can/Could I...?[文章版权 禁止转载:考试与评价 http://www.trgroup.com.cn/te/  cC:dXbP=ESm,@,+FroG]

    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 http://www.trgroup.com.cn/te/ =N_ i ?3w_"R,X@~FroG]

    3. I'm sorry， but... You'd better not.[文章版权 禁止转载:考试与评价 http://www.trgroup.com.cn/te/ 5.uK;NDJ@npZ-8FFroG]