oneof做主语后面加什么

例句：

I bought one of the leading brands.

我买了几个畅销品牌中的'一种。

I heard a playback of one of the tapes.

我听到了其中一盘录音带的回放。

I had made arrangements for my affairs to be dealt with by one of my children

我已经安排我的一个孩子处理我的事务。

One of the bags was lost en route.

其中一个包在途中丢失了。

I think that is one of the major ingredients in his success.

我认为那是他成功的主要因素之一。