Whose books are those?An English dictionary is on the desk.Mr. Peterson teaches us art.Where does Mary sit?Which subjct does she like best?Whose textbooks?What class are you in?What grade are you in?
Who's books are those?The boos on the desk is an English dictionary.Our art teacher is Mr.Peerson.Who sits between Susan and Peter?What is the favourite of her?Whose textbooks are they?提问题的 你是不是小学生？这些简单的题目都不会做么？
