◎ 题干
If this medicine is good for anything ________,  it is good for heart trouble.
[     ]
A. all along  
B. at all  
C. in all  
D. all the same
◎ 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“If this medicine is good for anything ________,it is good for heart trouble. [ ]A. all along B. at allC. in all D. all the same…”主要考查了你对  【介词和介词短语】  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。