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money. Everything will be free. 3. Books will only be on puters, not on paper. 4. Kids won’t go to school. They’ll study at home on puters. 5. There will only be one country. 6. People will live to be 200 years old. 1c PAIRWORK Ask and answer questions about the predictions in activity 1a. A: Will people use money in 100 years? B: No, they won’t. Everything will be free. Will people live to be 200 years old? A: Yes, they will. 一百年后 “in與 after+時(shí)間 ” 都可表示“在 … 之后”。 2a Listen and circle the words you hear. 1. There will be more / less / fewer people. 2. There will be more / less / fewer free time. 3. There will be more / less / fewer cars. 4. There will be more / less / fewer pollution. 5. There will be more / less / fewer trees. 污染 樹(shù) 2b Listen again. Check (√) the predictions you hear. 1. There will be fewer people. 2. There will be less free time. 3. People will use less subways less. 4. There will be more pollution. 5. Cities will be very big and crowded. √ √ 2c GROUPWORK Look at activ