UNIT THREE HOW DID YOU GO TO UNIT THREE HOW DID YOU GO TO HANGZHOU HANGZHOU Lesson 11Lesson 11BellEdisonCai LuninventorsLook and sayinventionsLook and sayinventionsDo you know any great inventions in the world?Do you know any great inventions in the world?WhatWhy1234Do you know any great inventions in the world?WhatWhy1paperwrite on it234Do you know any great inventions in the world?WhatWhy1paperwrite on it2the watchtell the time anywhere34Do you know any great inventions in the world?WhatWhy1pa