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think they were invented? Try to number them \[14\]. discuss with their partners and number the pictures. about the inventions. A:I think the TV was invented before the car. B:Well, I think the TV was invented after the car. Step 4 Listening (1b) :Tell Ss look at the pictures and the years on the left. the recording for the Ss to listen. listen to the conversation and try to match the invention with the proper year. the recording again. the answers. St