Select the option that expresses the given sentence in passive voice.
The clouds hid the sun.

Correct option is A

The correct passive voice of the given sentence is (a) The sun was hidden by the clouds.
Definitions:
· Active voice: The subject performs the action (e.g., The clouds hid the sun.)
· Passive voice: The subject receives the action (e.g., The sun was hidden by the clouds.)
Rules of Conversion (Simple Past Tense):
Structure:
· Active: Subject + V2 (past simple) + object
· Passive: Object + was/were + V3 (past participle) + by + subject
Applying the Rule:
· Subject (Active): The clouds
· Verb: hid (V2 of hide)
· Object: the sun
· Passive: The sun + was + hidden (V3) + by the clouds
Why Other Options Are Incorrect:
· (b) The sun is hidden... – Incorrect tense (present tense used instead of past).
· (c) The clouds are hid... – Subject and object reversed; also "are hid" is grammatically wrong.
· (d) The sun was hide... – Incorrect verb form; "hide" should be "hidden".
Final Passive Sentence:
The sun was hidden by the clouds.
This is the grammatically and structurally correct transformation.