Crear
Before the automobile,...
In most offices these days,...
Sometime in the near future,...
doctors might find a cure for the common cold.
About 60 years ago,...
there will probably be cities in space.
In many classrooms today,...
pollution is becoming a serious problem.
students are learning with interactive whiteboards.
many TV shows were in black and white.
In many cities nowadays,...
Before there were supermarkets,...
In the next 100 years,...
people work more than 40 hours a week.
people used to shop at small grocery stores.
people didn't travel as much from city to city.