my pencilbox is under the chair.划线部分为under the chair

my pencilbox is under the chair.划线部分为under the chair My baseball is under the chair对划线部分提问 backpack is under the chair.(对划线部分提问) ___________________? 对画线部分提问My baseball is under the chair. 对划线部分提问：my pencil box is under the chair (The ping-pong bat)is under the chair.(对划线部分提问)( )( )under t The pencil under the chair is peter's.(对under the chair划线提问) The baseball is under the chair就画线部分提问under the chair是画线部分 对划线部分提问 The pen is (red).His baseball is under the chair. under the chair提问 My baseball is under the chair对 My baseball提问 is the ball?Itis under the chair