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