The gir is singing in the classroom.（改为否定句）（改为一般疑问句,并做肯定回答）
问题描述：
The gir is singing in the classroom.（改为否定句）（改为一般疑问句,并做肯定回答）
答
The gir isn't singing in the classroom.
Is the gir singing in the classroom?Yes,she is.
答
The gir isn't singing in the classroom.
Is the girl i singing in the classroom?
Yes,she is.
答
the girl is not singing in the classroom,
is the girl singing in the classroom
yes,she is
答
The girl is not singing in the classroom
is the girl singing in the classroom?
yes,she is
希望采纳，谢谢