.Moreandmorepeoplehavealow-carbonlifeandtheairisgetting... 国语站 题库 2.99W 大中小设置文字大小 问题详情: and more people have a low-carbon life and the air is getting much ________ than a few years ago.n nest ner cleanest【回答】C知识点:形容词比较级题型:选择题 TAG标签:#