America ____ discovered by Leif Eriksson, a viking.
was
The Great Wall of China was _______ (build) by Qin Shi Huang 2240 years ago.
built
Chinampas _____ used by ancient Mesoamericans.
were
Romans were ______ (rule) by an Emperor.
ruled
Rice ____ eaten in America 2000 years ago. (-)
wasn't
Cars weren't _____ (use) by cavemen.
used
Cellphones _______ invented until 1973. (-)
weren't
The homework wasn't _____ (do) by the students.
done
_____ ice cream eaten by dinosaurs?
Was
______ cowboys hunted by aliens?
Were
Was ancient Rome ________ (govern) by an Emperor?
governed
Were the pyramids _______ (construct) by aliens?
constructed
Don Quixote ____ ______ (write) by Cervantes.
was written
Computers ____ _______ (invent) by many different scientists.
were invented
The Mona Lisa ____ _______ (not / paint) by Messi.
wasn't painted
Pop and heavy metal music _____ ________ (not / listen) by ancient egyptians.
weren't listened
