able的名词形式是

His outstanding ability earned him a place on the team.

他非凡的.能力为他在队中赢得了一席之地。

Both are blessed with an uncommon ability to fix things.

俩人都有幸具有不寻常的修理东西的能力。

What criteria are used for assessing a student's ability?

用什么标准来评定一个学生的能力？