l want to a ball 改错；she want to piay football 改错；can you cleaning the room now改错
问题描述：
l want to a ball 改错；she want to piay football 改错；can you cleaning the room now改错
we have seven lessons in monday改错；he are from america改错.
答
l want to a ballto 去掉；
she want to piay football（wants）；
can you cleaning the room now(clean)
we have seven lessons in monday；(on)
he are from america (are改is)