Ireallythinkthatpeopleshould__________riverstoprotectou... 国语站 题库 3.22W 大中小设置文字大小 问题详情:I really think that people should __________ rivers to protect our environment. A. be prevented from polluting B. prevent from polluting C. be prevented to pollute D. prevent to pollute【回答】A知识点:动词语态题型:选择题 TAG标签:#