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