“ninety”造句，怎么用ninety造句

He is ninety years old,but his mind is sharp.

When I am sad, I will be happy for myself one hundred times. Because the ninety-ninth time, still sad.

Genius is one percent, inspiration and ninety-nine percent, perspiration.

So he wrote, "Exchanging views on painting with my younger brother AA Qing in Beijing. Qi Baishi at the age of ninety-three.'