English

The word 'knack' means a special skill or ability to do something easily. Among the options, 'ability' is the correct synonym. The other options do not share this meaning.

The correct preposition to complete the sentence 'Sana filled the glass ____ water.' is 'with', making the sentence 'Sana filled the glass with water.' This is the standard and grammatically correct usage.

The correct preposition to use with 'contented' in this context is 'with,' making the phrase 'contented with his life' grammatically correct and natural in English.

The word "recondite" means something little known or obscure. Its antonym is "patent," which means clear or obvious. Therefore, option C is correct.

The preposition 'towards' correctly indicates movement in the direction of the school, fitting the sentence context better than the other options.

The word 'expunge' means to erase or remove completely, which is synonymous with 'obliterate'. The other options do not convey the same meaning.

The correct preposition to use after 'accused the man' in this context is 'of'. The phrase is 'accused the man of stealing.'

The sentence in passive voice 'This house is used very rarely by us' changes to active voice as 'We use this house very rarely.' Option B correctly reflects this transformation with proper tense and subject-verb agreement.

Option B correctly converts the active sentence into passive voice by making 'An old shirt' the subject, followed by the correct past participle 'was given' and the agent 'by Sajid'. The other options contain grammatical errors or incorrect agent placement.

The sentence 'Someone pulled the bull violently.' is in the simple past tense active voice. The correct passive voice transformation in simple past tense is 'The bull was pulled violently by someone.' This matches option A exactly. Option B is incorrect because it uses a future passive construction. Option C is past perfect passive and incomplete as it lacks the agent. Option D is passive but incomplete as it omits the agent 'by someone.' Therefore, option A is the correct and complete passive voice form of the sentence.