aptitude|aptitudes

她对语言学习很有天赋。

She has a natural ___aptitude for learning languages.

他具有音乐方面的天赋，学乐器特别快。

He has strong ___aptitudes for music and learns instruments very quickly.

他在数学方面展现出非凡的天赋。

He demonstrated a remarkable ___aptitude for mathematics.