This is a box.(改为复数句)
This is a box.(改为复数句)
This is a box and that is a knife (改为复数句)
This is a box.改为复数形式
this is a box改为复数
句型转换.1.This is a pencil- box.(改为复数句)_______ ______ ______pen
It is a large box.(改为复数句)
This book is in that box.(改为复数形式)
what isit?lt is a box改为复数句
this is a box.变复数句___________?
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