The last Olympic Games _____________ in Tokyo.
have been held
are held
will be held
were held
Olives _______________ in Mediterranean countries.
is grown
has been grown
are grown
was grown
Scissors ___________________ for cutting thin materials, such as paper and metal foil.
use
used
is used
are used
X-rays __________________ in 1895 by Wilhelm Conrad Roentgen, who was a German Professor.
are discovered
discovered
is discovered
were discovered
The movie Avatar _______________ by James Cameron.
directed
is directed
is being directed
was directed
Google ____________ officially ____________ in 1998.
were launched
has been launched
was launched
is launched
How often __________ hotel carpets __________?
are / cleaned
was/ cleaned
is / cleaned
will be / cleaned
Wooden toothpickes ______________ from birch wood.
were cut
are cut
will be cut
have been cut
The light bulb ____________________ by Thomas Edison.
was not invented
has not been invented
were not invented
were invented
The most famous portrait in the world, Mona Lisa, ________________ by Leonardo da Vinci.
is painted
was painted
has been painted
were painted
Brilliant ideas ________ generally __________.
is / copied
were / copied
have been / copied
are / copied
When ___________ the Great Wall of China ____________?
built / were
is / build
was / built
were / built
Cars _______________ in factories.
are produced
produced
is being produced
were produced
The Harry Potter series __________________ by J. K. Rowling.
wrote
written
was written
is written
The tunnel _________________________ at the moment, so it's closed for all traffic.
is repaired
repaired
will be repaired
is being repaired