Question

th grade > ★ o.1 identify active and passive voice 5d6
which sentence is in passive voice?
mandatory labeling of genetically engineered foods in the united states has been proposed by several congressional bills.
several congressional bills have proposed mandatory labeling of genetically engineered foods in the united states.
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Explanation:

Passive voice uses "be + past participle" and focuses on the receiver of the action. The first sentence has "has been proposed" (passive structure) and emphasizes the labeling (receiver) rather than the bills (doer), while the second sentence uses active voice with the bills as the doer of "proposed".

Answer:

Mandatory labeling of genetically engineered foods in the United States has been proposed by several congressional bills.