演讲者：陈文昊 once upon a time 从前 forest 森林 fail 失败 diffcult 困难 beat 打，敲 search their fortunes 碰运气 straw 茅草 brick 砖块Vocabulary Once upon a time, there was a mother pig and three little pigs.They lived in the middle of a forest . Because its diffcult for mother to find enough food for her childern.So at last the mother pig sent the little pigs to search their fortunes . The lazy first pig built a house with straw!The fat and hasty second pig built his house using sticks.The diligent and clever third pi
