"The __38__ (good) thing I've received in the mail" wrote one young woman, who got a potato from her boyfriend.

五、短文改错（共10小题；每题1分，满分10分）

　　Smile is a magic language that everyone can easily understand whenever he or she comes from. Smile is as the golden sunshine that brings warmth to people and makes him happy. Smile is shortest distance between people and it is a good way to show off friendliness to others. More important, smile conveyed a kind of positive energy to people. When you are happy, smile brightens your face. When you feel frustrating, you should also smile to cheer yourself up. Smile can give you confidences and make you strong. Smiling at the world and the world will smile back!