形容词最高级: the most leading

This is the main reason， but not the most leading cause.

是主要原因，但不是最主要的原因。She was leading at the half-way mark.

赛程到一半时是她领先。

He's leading in the presidential race.

他在总统竞选中领先。

Graf was leading 5-1 in the first set.

格拉夫在首盘比赛中以5-1领先。

These are the leading first-round scores.

这些是第一轮比赛的领先成绩。

She had a leading role in shaping party policy.

该党奉行何种政策，她起着主导作用。