Never ……………………. seen such a mess. A.I have B.have I Answer and Feedback Answer:B Feedback:When the sentence begins with a negative word, we use an inverted word order. do you want? view more test Xem thêm Share this post Some other questions you may be interested in. She has been promoted. / They .......................... her. The dog was beaten by its master. / The master .................... the dog. He was run over by a speeding car. / A speeding car ........................ over him. The flowers have been plucked by the children. / The children .......................... the flowers. My pen has been stolen. / Somebody ........................... my pen. The house is being built by the masons. / Masons ............................ the house. Short stories are written by her. / She ...................... short stories. The thief has been arrested by the police. / The police ........................... the thief. He is ..................................... by his own friends. Prince Hamlet ........................................ by the people.