he wants a white hat{改成否定句}there is a ball on the floor.{改为复数句}
问题描述:
he wants a white hat{改成否定句}there is a ball on the floor.{改为复数句}
答
he wants a white hat{改成否定句}
He doesn't want a white hat.
他不想要一个白帽子.
there is a ball on the floor.{改为复数句}
There are some balls on the floor.
地板上有很多球.