Nikki's grandmother always made the most delicious baklava. It was perfectly sweet, perfectly flaky, and perfectly nutty. Nikki had always known that her grandmother would teach her how to make it one day. That day had finally come. As Nikki tied her apron strings, she couldn't help smiling. One day, she teaches her own children and grandchildren this precious recipe! Which is the best replacement for the underlined sentence? One day, she had taught her own children and grandchildren this precious recipe! One day, she is teaching her own children and grandchildren this precious recipe! One day, she would teach her own children and grandchildren this precious recipe! One day, she teaches her own children and grandchildren this precious recipe!