1
The door was heavy because it
made / has made / was made of metal.
was made
I think the document is written / was written / has written in 1806.
was written
The internet is invented / invents / was invented by Tim Berners-Lee.
was invented
This machine is use / was using / is used for cutting metal.
is used
The products are packed and then we be sent / send / are sent them to the warehouse.
send
That chair is so uncomfortable. It ___________ (make) of plastic.
That chair is so uncomfortable. It is made of plastic.
Computers _______________ (find) in almost every home in Europe.
Computers are found in almost every home in Europe.
The instructions ______________ (display) on the computer screen.
The instructions are displayed on the computer screen.
Please tell me what this fruit _____________ (call).
Please tell me what this fruit is called
These plates _____________ (make) of paper, so you can throw them away.
These plates are made of paper, so you can throw them away.
They sell a lot of products online
A lot of products are sold online
Gustave Eiffel built the Eiffel Tower
The Eiffel Tower was built by Gustave Eiffel.
The Chinese invented gunpowder.
Gunpowder was invented by the Chinese.
Computers operate a lot of machines
A lot of machines are operated by computer
Natali painted the house.
The house was painted by Natali.
They use computers to make movies
Computers are used to make movies
Somebody stole the documents from my backpack
The documents were stolen from my backpack
Smoking kills millions of people every year.
Millions of people are killed by smoking every year.
People do many different things with computers.
Many different things are done with computers
They cut down thousands of trees every day
Thousands of trees are cut down every day.
Factories dump tons of waste into the sea.
Tons of waste are dumped into the sea by factories.
They manufacture computers in many countries now
Computers are manufactured in many countries now
People reuse a large amount of wastewater in Singapore.
A large amount of wastewater is reused in Singapore.
The firefighters rescued two little kittens from the burning building
Two little kittens were rescued from the burning building by the firefighters
Bees sting humans all summer.
Humans are stung by bees all summer.