Supply the suitable question tag : This house was painted last month, ______?AIsn't itBDoesn't it?CWasn't itDRight?Answer: C. Wasn't it Read Explanation: The given sentence is in the Simple Past Passive Voice.The helping verb is was.The sentence is affirmative, so the question tag must be negative.The subject this house is replaced by the pronoun it.Therefore, the correct question tag is wasn't it? Read more in App