◎ 题干
____ you promise to buy her a gift, you can't break it in any case.
[     ]
A. Once        
B. Until      
C. For      
D. That
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“____ you promise to buy her a gift, you can't break it in any case.[ ]A. OnceB. UntilC. For D. That…”主要考查了你对  【从属连词】  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。