there is a pear in the bag改为复数式
there is a pear in the bag改为复数式
This is a pear.改为复数句
this is a pear tree.改为复数
There is a knife in the kitchen.(改为复数形式)
Is there a child in the room(改为复数句 )
There is a balloon in the tree 改为复数句
There is a river in the forest.改为复数句
there is a watch in the box改为复数形式
There is a child in the classroom.改为复数形式
There is a child in the classroom.改为复数形式.
There is a duck in the river[改为复数]
There is a bear in the Zoo改为复数句