People usecreditcards thingsonlineshouldbec... 国语站 题库 2.77W 大中小设置文本大小 问题详情:People use credit cards things online should be careful . A. which , to buy B. who , buy C. who , to buy D. what , to buy【回答】C知识点:相似 相近词比较题型:选择题 TAG标签:people usecreditcards #