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ures to Ss. Get Ss to listen to t he tape , and number from one to five(Which kind of invention is in front, which kind of invention is in after). Get Ss to listen to the tape again. Listen and match the inventions with the dates. Step IV: Practice the conversat ions. Practice 1: Get Ss to practice this conversation. And ask some students to practice in class When was the phone invented? I think it was invented in 1876. Practice 2: Show another modern inventions to Ss. For example, bike, camera … Ask some student