In the process that everybody grows up, exception ground almost and neither, will leave the sweet trace of some milestone types, or precipitate（沉淀，促成） some fresh behavior know can not bear to recall of engrave a bone bitter and astri

Do's Be polite and friendly. Initiate（开始，发起） and engage in conversation. Be involved in all programmes. Make your own bed. Wash your own plates and cups. Maintain cleanliness and personal hygiene（卫生）  Put things back after