Inthepastseveralweeks,manycitiesinNorthernChina_______... 国语站 题库 6.25K 大中小设置文字大小 问题详情： In the past several weeks, many cities in Northern China _______ from heavy fogs and severe cold, causing great inconvenience to people.A. suffered B. have been suffering C. were suffered D. had been suffered【回答】B知识点：现在完成进行时及其被动式题型：选择题 TAG标签：#
