英语 高三 选择题 较难 ★ 精品

强调句型 it is...that 的运用 — 英语选择题

沪教版·英语(高中) Unit 4 Inspiration AI 三重审校通过

题目
Inspired by a documentary about ocean explorers, Lena wrote in her diary, 'It was not until I saw the whale breaking through the surface ___ I truly understood what persistence meant.' Which of the following fits the blank? A. when B. that C. which D. before