They are some good dictionaries.改为单数句怎么改

They are some good dictionaries.改为单数句怎么改 They are orange schoolbag改为单数句,怎么改啊! 你好、Are they student 改为单数句怎么改? 把they are boxes.改为单数句怎么改 they are good friends 改单数句 They are good girls.改为单数句 those dictionaries are in the drawer改为单数句 They are my good friends改为单数句 There are some childrn in the room.(改为单数句）怎么改? They are some aunts.翻译并改为单数句 They are some easy English question.改为单数句 They are some English books.改为单数句