Additionally, as you do not come from the same country or culture as your host, he or she or they will surely be aware of this, and will be very forgiving if you unintentionally do or say something which would otherwise offend them.
《高考英语备考1号·速效编》
《高考英语备考1号·写作编》
《高中英语晨读晚记》
《高中英语错题笔记》
《零起点考大学英语》