I often laugh when I see my grandma learning pop songs. But she says, “One is never        old to learn”.

—I’m going to act in Jack Chan’s new movie!
—Congratulations! You’re really       .

根据提示完成句子（每空一词）
I also learned useful sentences like “ ____ ____ ____ ____ ____(小菜一碟)” or “____ ____ ____ ____(你活该).”