英语 高二 填空题 较难

动词-ing形式作主语和宾语 — 英语填空题

外研社版·英语(高中) Unit 6 Nurturing nature AI 三重审校通过

题目
根据句意,用括号中动词的动词-ing形式填空:___ (monitor) seasonal changes in the alpine wetland has become routine, but the team avoids ___ (approach) nesting sites during surveys.