2d Role-play the conversation.Paul: Hey Roy, the subject ______ my school project is “Small inventions _________ changed the world.” Can you help me think of an invention?Roy: ______pleasure! Let me think ... hmm ... I know! The zipper!Paul: The zipper? Is it really such a great invention?Roy: Think about how often it’s used in our daily lives. You can see zippers on dresses, trousers, shoes, bags ... almost everywhere! Paul: Well, you do seem to have a point ...Roy: Of course! I ________(think) about it because I saw a website last week. The pioneers of different ___________(invent) were listed there. For example, it mentioned that the zipper __________( invent) by Whitcomb Judson in 1893. But at that time, it wasn’t used ______(wide).Paul: Really? So when did it become popular? Roy: Around 1917.KEY: for ; that ; With; thought; inventions; was invented; widelyAn Accidental Invention Did you know that tea, the most popular drink in the world (after water), ________ (invent) by accident? Many people believe that tea was first______( drink) nearly 5,000 years ago. It is said that a |
