Do they have a computer?Does he have a tennis racket?Does she have a soccer ball?

问题描述:

Do they have a computer?Does he have a tennis racket?Does she have a soccer ball?
Doer he have a ping-pong ball?这些句子怎么改陈述句和否定句

They have a computer.They don't have a computer.He has a tennis racket.He doesn't have a tennis racket.She has a soccer ball.She doesn't have a soccer ball.He has a ping-pong ball.He doesn't have a pi...