Карпюк О. 9 клас Present\Past Passive

The law of universal gravitation / to discover

The phonograph and light bulb / to invent /by Thomas Edison

Prototypes of the helicopter, glider, and military tank /to design/by Leonardo da Vinci

The first astronomical telescope / to construct / by Galileo Galilei

The theory of relativity/ to develop / by Albert Einstein

The formula for the volume of a sphere/ to discover / by Archimedes

Coffee / to grow /in more then fifty counties around the world.

Computers / to use / by millions of people.

Thousands of calls / to make / from mobile phones every day.

Stars / to see / in the sky at night

The Tower of London /to visit/ by thousands of tourists every year.

Oil / to make / of seeds.