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Passive voice
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The house ______ (build) during the 19th Century.
was built
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Penicillin ______ (discover) by Alexander Fleming.
was discovered
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The Internet _______ (invent) during the 1950's
was invented
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The first microwave ovens ______ (produced) by The Raytheon Corporation in 1954
were produced
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The book ____(write) by William Shakespeare.
was written
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Potatoes _______ (grow) in Peru.
are grown
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A new president _________ (elect) every four to eight years
is elected
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The company _____ (run) by one of the most successful man in history.
is run
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Dollars _______ (accept) in almost every airport.
are accepted
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English ______(study) by my friends.
is studied
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