如何使用 "who" 造句

1. Forgive those who have wronged you .
原谅那些冤枉你的人。
2. I know who james is .
我知道詹姆斯是谁。
3. Who officials didn 't respond to requests for comment .
世界卫生组织官员没有回复记者的置评请求。
4. Who estimates 3.5 million children die every year of malnutrition .
世卫组织估计,每年有350万儿童死于营养不良。
5. Then , who on earth were doing this ?
那么,究竟是什么人在做呢?