改错句 Is your pen black --------------------yes ,it is

改错句 Is your pen black --------------------yes ,it is is this your pen?----yes,it's. 改错 Is the girl your sister?Yes,it is 改错句 Is your pen black? Yes,it's. 这句话有什么语病吗? 填空It is ( )black It is ( )black pen 改为同义句the quilt is biue-- 英语 改复数句This is a pen.Is this your backpack?It's a black bag Is your pen?—Yes,it is.不能用Yes,this is. —IS that your new pen pal?—Yes,that is.(改错) This not is your pen,your pen is white.改错 is this( )Japanese pen?yes,it is yes,it is your is this your car?yes it's改错