her brother has a ball.（改为一般疑问句） My cousin has a computer game.(改为否定句）our baseball is (on the chair).对括号部分提问
问题描述：
her brother has a ball.（改为一般疑问句） My cousin has a computer game.(改为否定句）
our baseball is (on the chair).对括号部分提问
答
her brother has a ball。 （改为一般疑问句）
does her brother have a ball?
My cousin has a computer game.(改为否定句）
My cousin doesn't have a computer game.(改为否定句）
our baseball is (on the chair). 对括号部分提问
where is our baseball ?
答
Does her brother have a ball?
My cousin doesn't have a computer game.
Where is out baseball?
答
her brother has a ball.（改为一般疑问句）Does her brother have a ball? My cousin has a computer game.(改为否定句）My cousin doesn't have a computer gameour baseball is (on the chair). ...