Itisourdutytotryto 国语站 题库 2.74W 大中小设置文字大小 问题详情:It is our duty to try to _______ production and reduce the number of things we make and buy.A. cut up B. cut back on C. cut off D. cut down 【回答】B知识点:词组 短语题型:选择题 TAG标签:Itisourdutytotryto #