who引導什麼從句做什麼成分[朗讀]

關係代詞who引導定語從句作句子的主語、賓語。
who：pron.誰;(詢問姓名、身份或職務)什麼人;表示所指的人;進一步提供有關某人的信息？
擴展資料。
health care must be at the service of all who need it
醫療保健機構必須為所有需要者提供服務。
who was it that won the us open
在美國公開賽上獲勝的.是誰。
she made it her business to find out who was responsible
她一定要查清楚到底該誰負責。
who could forget his speech at last year's party
誰能忘記他去年在聚會上的講話呢？
who sets the standard for water quality
水質標準由誰來制訂。