one of後加什麼詞

one of的幾種用法：

1、one of +代詞賓格或名詞複數。

如：one of them.

one of the students.

2、one of 短語做主語，謂語動詞用單數。

One of them is good at math.

of +the+形容詞最高階+名詞複數。

one of the longest rivers.