◎ 题干
Let's put off the picnic until next week _____ the weather may be better.
[     ]
A. since
B. if
C. as
D. when
◎ 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“Let's put off the picnic until next week _____ the weather may be better.[ ]A. sinceB. ifC. as D. when …”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。