The poor must be looked after by society.
A. Society must have looked after the poor.
B. Society must be looked after the poor.
C. Society must looked after the poor.
D. Society must look after the poor.
Answer: Option D
Solution (By Examveda Team)
Society must look after the poor.The given sentence contains one of Model verb (Model Verb = will, shall, can, may, might, could, might, must, would). It is in passive voice.
Rule :
Subject + Model verb + V1 + Optional Objects

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