is.this.ball.yellow?改为肯定句

is.this.ball.yellow?改为肯定句 is.this.a .yellow .ball?改为肯定句 is a yellow this flower my ball is blue,___(they) are yellow? this is a m____,it is yellow This is a yellow quilt.对yellow quilt提问 （ what sport is played with this ball? This is a white ball.同义句 改为同义句 Is this your ball? is this your ball?(变复数） Is this your ball?同义句 This is my ball.改成同义句 Is this ball your?Yes,it's() This is a yellow boy.是什么意思?急用! This quilt is yellow.如果错了, this is my father yellow shirt 改错 In this white room ,there is no door or floor.But this white room has only one wall .And in this white room ,we can see a nice yellow ball.It's an （）。 In this white room,there is no door or foor .but this white room has only one wall. And in this white room ,we can see a nice yellow ball. It's an______.