当职位或头衔在句中做表语宾语补足语和同位语是不用冠词的 请举例

问题描述:

当职位或头衔在句中做表语宾语补足语和同位语是不用冠词的 请举例

He was aelected President
He is President of this country
Obma Presideng of America is going to negotiate with North Korea