She wrote:
But Elena had a secret weapon. Or so she hoped. wtw 238 past papers
She spread the papers on a secluded carrel, the kind with high wooden walls that felt like a confessional booth. The first paper, from 2015, looked almost gentle. "Solve the following first-order linear ODE: dy/dx + 2y = e^x." She smiled. She could do that in her sleep. She wrote: But Elena had a secret weapon