Thefarmaswellasitsneighboringhillsweoncespentsomuchtime... 国语站 题库 3.02W 大中小设置文字大小 问题详情:The farm as well as its neighboring hills we once spent so much time______ on a new look as recently as this year.A. has taken B. on having taken C. on has taken D. having taken【回答】C知识点:定语从句题型:选择题 TAG标签:#