[ Passive Voice - Past Simple ]
She made the olive oil. (Past Simple)
A. The olive oil has been made.
B. The olive oil were made.
C. The olive oil was made.
D. The olive oil is made.

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Present Perfect or Past Simple TensePresent and Past Simple PassivePresent Simple and Continuous TenseTenses & PassivePast and Future TensesFrequency AdverbsSubordinate ConjunctionsPresent Continuous TenseSentencesPerfect Tenses of VerbsOther quiz:
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