Select the correct passive voice of: 'One must do one's duty.' MCQ with Answer and Explanation

Select the correct passive voice of: 'One must do one's duty.'
A. One's duty must be done.
B. Both A and B.
C. Duty must be done.
D. Duty must be done by one.
Answer: Option A
Solution (By JKExamLibrary)
Modal passive: 'One's duty must be done.' Agent 'by one' usually omitted.

This question belongs to: English Active and Passive Voice

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Practice More Active and Passive Voice Questions

Question #1 Report Error
Choose the correct active voice of: 'He was awarded the Nobel Prize.'
A. He awarded the Nobel Prize.
B. They were awarding him the Nobel Prize.
C. They have awarded him the Nobel Prize.
D. They awarded him the Nobel Prize.

Correct Answer: Option D


Explanation:
Simple past passive 'was awarded' → active 'They awarded him the Nobel Prize'.

This question belongs to: English Active and Passive Voice
Question #2 Report Error
Choose the correct active voice of: 'The rules must be followed by all.'
A. All must follow the rules.
B. All have to follow the rules.
C. All should follow the rules.
D. All must be following the rules.

Correct Answer: Option A


Explanation:
Modal passive 'must be followed' → active 'All must follow the rules'.

This question belongs to: English Active and Passive Voice
Question #3 Report Error
Choose the correct active voice of: 'The lights have been switched on.'
A. Someone is switching on the lights.
B. Someone had switched on the lights.
C. Someone has switched on the lights.
D. Someone switched on the lights.

Correct Answer: Option C


Explanation:
Present perfect passive without agent → active 'Someone has switched on the lights'.

This question belongs to: English Active and Passive Voice