this is an american boy改为复数句
this is an american boy改为复数句
Jim is an American boy.(改为同义句)
He is an American schoolboy.改为复数句是什么?
This is an English(改为复数句)
This is an orange改为复数句
This is an orange.改为复数句.
This is an orange .[改为复数句]
this is an apple怎么改为复数句
This is an English book(改为复数句)
Is this an English book?改为复数句
this is an English book 改为复数句
John is an American.改为同义句