他在比赛中获得了第六名。

He came in ___sixth in the competition.

这块蛋糕被分成六等份，她拿走了其中一份。

The cake was divided into ___sixths, and she took one of them.

在这段和弦进行中，贝斯线从C音下行了两个六度。

In this chord progression, the bass line descends by two ___sixths from C.