1) Before the invention of the mobile phone, people used to ____________________ 2) Before the invention of the car, people used to ____________________ 3) Before the invention of the remote control, people used to ____________________ 4) Before the invention of the digital camera, people used to ____________________ 5) Before the invention of the internet, people didn't use to ____________________ 6) Before the invention of the TV, people didn't use to ____________________ 7) Before the invention of the airplane, people used to ____________________ 8) Before the invention of electricity, people used to ____________________ 9) Before the invention of the email, people used to ____________________ 10) Before the invention of the ATM, people used to ____________________

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