1. 【解析】How to save a friendship. 文章主要讲述的是如何修补友谊。
2. 【解析】But if both parties are interested to be friends still, there is no reason why the friendship shouldn’t be saved．句意为：如果双方有意维持友谊，那么你就应不遗余力地修复友谊。
3. 【解析】you were /are the offended party.承接上段If you were the offended party可知。
4. 【解析】①Cell phone②Email③Chat④Snail mail．从第二段第四句可知。(答对3条即可)
