one of后面的谓语动词用单数还是复数

　　We think of you as one of the family.

　　我们把你看作家中的一员。

　　This is just one of a whole complex of issues.

　　这仅仅是所有相关的问题之一。

　　They are one of this year's hot new bands.

　　他们是今年走红的新乐队之一。