◎ 题干
—Was the boy saved?
—No. The doctors tried their best, ______ they failed.
[     ]
A. and
B. so
C. but
D. although
◎ 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“—Was the boy saved? —No. The doctors tried their best, ______ they failed. [ ]A. and B. so C. but D. although …”主要考查了你对  【并列连词】  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。