◎ 题干
We should protect the earth, ______ we will have no water to drink.
[     ]
A. so
B. or
C. and
D. but
◎ 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“We should protect the earth,______ we will have no water to drink.[ ]A. soB. or C. and D. but …”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。