It is an old skirt.这句话怎样改为一般疑问句?

It is an old skirt.这句话怎样改为一般疑问句? this skirt is colourful改为一般疑问句 this skirt is coloutful改为一般疑问句 my skirt is new,not old.改为选择疑问句 It is an orange（改为一般疑问句） it is an eraser(改为一般疑问句） The skirt is new.(改为一般疑问句） This is your blue skirt.（改为一般疑问句） The skirt is 15 dollars改为一般疑问句 It is a blue pencil.改为一般疑问句怎样改 It is a blue pencil.（改为一般疑问句)怎样改? 1.There is an old men at the door.(改为一般疑问句）