[ Passive Voice in Past and Present Tense ]
They didn’t make their beds.
A. Their beds are not made by them.
B. Their beds was not made by them.
C. Their beds were not made by them.
D. Their beds were not made by them.

Random Topics:
Grammar and Sentence StructureThe Future Simple TenseMixed TensesAdjective or AdverbZero ConditionalFuture Tense - will and going toModals of Speculation and DeductionAdjectiveSo, Such, Many, MuchPresent Perfect or Past Simple TenseOther quiz:
Grammar › View… many times every winter in LA.
A. it’s snowing
B. it snowed
C. it snows
D. it’s snow
Grammar › View
A nest of hornets (was, were) in the barn.
A. was
B. were