l think he has a ping-pong ball.改为否定句是什么?

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/09 06:50:38
l think he has a ping-pong ball.改为否定句是什么?

l think he has a ping-pong ball.改为否定句是什么?
l think he has a ping-pong ball.改为否定句是什么?

l think he has a ping-pong ball.改为否定句是什么?
l think he has not a ping-pong ball.改为否定句是什么?