英语 高一 填空题 简单

动词不定式与动名词作主语、宾语 — 英语填空题

北师大版·英语 UNIT 6 THE ADMIRABLE AI 三重审校通过

题目
用括号中动词的适当形式填空:___ (work) as a firefighter requires great courage, and he never hesitated ___ (risk) his life to save others.