In the past, people built their cottages with stone and mud.
Cottages were built with stone and mud
Companies make boxes out of cardboard because it’s a cheap material.
Boxes are made out of cardboard because it's a cheap material
Criminals have stolen a painting from a gallery in London because of its value.
A painting has been stolen from a gallery in London because of its value
(Beijing / ever / hit / by a tsunami) ?
Has Beijing ever been hit by a tsunami?
(when / electronic television / invent) ?
When was electronic television invented?
The workers have broken the glass doors.
The glass doors have been broken by the workers
(where / the next World Cup / hold) ?
Where will the next World Cup be held?
(which / languages / speak / in Belgium) ?
Which languages are spoken in Belgium?
People will use less paper in the future.
Paper will be used less in the future
People won’t need a pen to write in the future.
A pen won't be needed to write in the future
(factories / replace / 3D printers / in the near future) ?
Will factories be replaced by 3D printers in the near future?
People collect stamps from countries around the world, particularly if they are rare.
Stamps are collected from countries around the world