Somepolicemenweresentthereto 国语站 题库 2.8W 大中小设置文字大小 问题详情: Some policemen were sent there to _____________ the trees __________ down. A. keep; being cut B. prevent; cutting C. prevent; being cut D. stop; cutting 【回答】D知识点:单词题型:选择题 TAG标签:#