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.
was painted
is painted
painted
were 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.
is used
are used
use
used
The movie Avatar _______________ by James Cameron.
directed
is being directed
was directed
directs
Wooden toothpickes ______________ from birch wood.
were cut
are cut
will be cut
have been cut
The last Olympic Games _____________ in Tokyo.
were held
have been held
are held
will be held
When ___________ the Great Wall of China ____________?
was / built
were / built
built / were
is / build
Cars _______________ in factories.
produced
are produced
were produced
is being produced
The tunnel _________________________ at the moment, so it's closed for all traffic.
repaired
will be repaired
is repaired
is being repaired
Olives _______________ in Mediterranean countries.
are grown
was grown
has been grown
is grown
Brilliant ideas ________ usually __________.
would / copied
is / copied
copy
are / copied
The light bulb ____________________ by Thomas Edison.
were not invented
invented
is not invented
was not invented
How often __________ hotel carpets __________?
was / cleaned
do / clean
are / cleaned
is / cleaned
Google ____________ officially ____________ in 1998.
were launched
is launched
launches
was launched
