For since exercises perfect english grammar - Preposition exercises

Choose the correct preposition to complete the sentences.
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Keep in mind the grammar tests are generated automatically and sentences for them are taken from corpora. If you notice any mistake or inappropriate content, please, let us know.
The simple truth is, the information has existed _____ centuries.
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Five years have passed _____ the presidents of the world together signed the Millennium Declaration.
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Seven months have passed _____ Panamera turbo was delivered on October 12th last seven months past.
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A feast of meals has arrived _____ boars - field crops are ripening.
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In addition, UNDP has arranged _____ UNFPA to have Internet access to bank statements.
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Two hundred and sixty years have passed _____ the death of the great writer.
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Contains the encrypted user ID ( if the user has opted _____ auto login ).
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Seven years has passed _____ Borderlands 2, but you would not know it playing the sequel.
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The average expanse of sea ice in a given year has increased _____ satellite monitoring started in 1979.
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This stunningly stable correlation has lasted _____ a year already and we expected it to persist.
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