改为复数句:This is a nice picture.
改为复数句:This is a nice picture.
This is a beautiful picture(改为复数句)
This is a nice picture(改为一般疑问句)
That is a nice picture 改复数句
This is a picture 改为复数形式是什么
Is this a bus (改为复数句
this is a pencil改为复数句
This is a shirt .改为复数句
this is a pen.改为复数句
this is a letter改为复数句
this is a tree 改为复数句
This is a pear.改为复数句