They are oranges.(变为单数形式）

They are oranges.(变为单数形式） They are oranges 改为单数 Are those oranges?单数形式 These are orange oranges.(改为单数形式） These are orange oranges（改为单数形式） Do they have oranges?的单数形式. They have some oranges(改为单数形式) Those are oranges 改为单数形式 they aren't orange oranges.改为单数形式 They are our women doctors（变为单数） Those are oranges（改为单数句） These are oranges.(改为单数句）