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Mark the sentence that correctly represents the passive voice of I think we and our partners have also made it abundantly clear that we're going to keep fighting (lines 32 and 33): 
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Mark the sentence that correctly represents the passive voice of I think we and our partners have also made it abundantly clear that we're going to keep fighting (lines 32 and 33):
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Choose the option, which the passive would be a better alternative, rather than the active form:
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"By 1996, with the establishment of new federal standards of air pollutants, tetraethyl ______________ to gasoline in the U.S." is suitably filled in with: 
About the sentence “Although there are no official numbers due to this lack of regulation, it is possible to picture the expansion of bilingual schools based on research data and publishing houses.”
Which alternative correctly rewrites the sentence in the passive voice?