parents是單數還是復數

　　Parent例句

　　1、Children need their parents.

　　孩子們需要父母。

　　2、Each unit including the parent company has its own, local management.

　　包括母公司在內，每個單位都有自己的地方管理層。

　　3、Parent birds began to hunt for food for their young.

　　親鳥開始為幼鳥尋找食物。

　　4、This is where a lot of parents go wrong.

　　這正是很多父母犯錯的地方。

　　5、When you become a parent the things you once cared about seem to have less value.

　　一旦你為人父母，你曾經在意的那些事情就顯得不那么重要了。