Active-to-passive voice (modal advice with time expression): Convert the sentence to passive, maintaining the time clause and replacing the repeated pronoun with a suitable passive clause. Source sentence: You should open the wine about three hours before you use it. Instruction: Choose the grammatically correct passive-voice option.

Given data

• Active: You should open the wine about three hours before you use it.
• Structure: modal + verb with a temporal subclause.

Concept / ApproachPassive with modal: should be opened. In the subordinate clause, replace you use it with a passive it is used to avoid an indefinite agent.

Step-by-step transformationObject → subject: the wine → WineMain clause passive: should be openedTime phrase retained: about three hours beforeSubclause passive: it is usedFinal passive: Wine should be opened about three hours before it is used.

Eliminate wrong optionsA: Acceptable concise style but omits it is used; less faithful to the original clause. ❌B: Adds by you; stylistically inferior and unnecessary. ❌C: Remains partly active in the subclause. ❌D: Fully and correctly passive in both parts. ✅

Final AnswerWine should be opened about three hours before it is used.