Is there a ball under the desk?改错

Is there a ball under the desk?改错 Is there a ball under the desk?---______________________. There is a ball under the desk.对a ball 提问 These are balls un there is a ball under the desk. these is a cat on the什么意思? under the teacher\'s table there is a ball under the tree , there is a brown ball a ball under tabie is there the连词成句 There is a new t------ ------under the desk the ball is under the desk改为一般疑问句 under the ____ desk is a ball.A teacher B teacher's C teache there 's a ball under the There is a basketball on the desk(改为否定句) There is a ball beh