Change the following setnences into the Passive Voice: 1) What pets

Change the following setnences into the Passive Voice: 1) What pets do people keep in their houses? 2) I shall give her all the papers tomorrow. 3) We always help him when he is in trouble. 4) If you don39;t take me to the station, I will miss the bus. 5) Will you return the book to Mary tomorrow? 6) We don39;t usually write articles about music for the school newspaper. 7)How many friends will you invite to the party? 8)My mother didn39;t help me write the essay in English. 9) Do you often help your mother about the house?