दिए गए वाक्य का एक्टिव वॉइस (Active Voice) में सबसे उपयुक्त रूपांतरण कौन-सा है? 'Several key policies have been introduced by the government to promote renewable energy.'

Select the option that expresses the given sentence in active voice: 'A notice will have been sent by the town plan authorities to Mr. Smith for vacating the house by the end of the month.'

Select the correct passive form of the given sentence: 'Do you like this yellow stone?'