英语 高二 选择题 简单

构词法:常见前后缀与词性转换 — 英语选择题

译林版·英语(高中) Unit 4 Scientists who changed the world AI 三重审校通过

题目
Choose the correct form of the word in brackets to complete the sentence: The scientist’s new method was highly ___ and saved the team several weeks of work. (effect) A. effective B. effectively C. effect D. effectiveness