◎ 题干
_______ may happen, don't lose heart.
[     ]
A. However
B. was
C. Whenever
D. Whatever
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“_______ may happen, don't lose heart. [ ]A. However B. was C. Whenever D. Whatever …”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。