Before computers, people used to _______________
spend more time together, play outside, ...
Before TV, people used to ______________.
chat with friends, play games outside, sleep early, ...
Before the Internet, people used to ____________ .
read books, play boardgames, ...
Before airplanes, people used to ____________ .
mainly travel by trains, ...
Before erasers, people used to ___________ .
use bread to erase writings, ...
