“Who are they?

who are they who are they? “Who are they? who are they还是who are them Who are they They are teachers.(改错 they are who they are.怎么翻译? Who are they?怎么答 who are they的中文 who are they ? they are my grandparents . 什么意思 Who are they?They are my friends from different c They are the people who love you. who are they ____(wait)for?