this is a boy is schoolbag 变为复数形式
this is a boy is schoolbag 变为复数形式
What is this It is a photo.变为复数形式
Who is this little boy?变为复数句
this is a bus.【变为复数句】
This is a pen 变为复数
This is a key.(变为复数)
He is a boy变复数形式
把句子改为复数形式 This is a boy What is this in English Is that an E
英语句型转换...This is a picture.(变为复数形式)_____ ______ picture.Are
this boy is my goog frierd改成复数形式
This is a photo.复数形式
This is a box.改为复数形式