◎ 题干
— Are you a student?
—  No, but I used _____.

[     ]

A. to be
B. to being
C. to do
D. to
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据魔方格专家分析,试题“— Are you a student?— No, but I used _____. [ ]A. to be B. to being C. to do D. to …”主要考查了你对  【系动词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。