this is my book(改为复数句)
this is my book(改为复数句)
this is my book帮我改为复数句
IS this his book?改为复数句 This is my pencil.改为同义句
This is an English book(改为复数句)
句型转换This is a book【改为复数句】Those are my brothers【改为单数句】Is this
This is my book改为同义句
this is my book(改为否定句)
This is my cousin.(改为复数句)
This is my sister 改为复数句
this is my teacher(改为复数句)
This is my jacket.(改为复数句)
This is my pencil.(改为复数句) It's his backpack.(改为复数句)