Whentraveling,yousometimeshavetogosomewherealone,always... 国语站 题库 2.73W 大中小设置文字大小 问题详情:When traveling, you sometimes have to go somewhere alone, always ____ your attention on your belongings.A. focusing B. focuses C. focused D. focus【回答】A知识点:非谓语动词题型:选择题 TAG标签:#