◎ 题干
There're so many kinds of tape-recorders on sale that I can't make up my mind _____ to buy.
[     ]
A. what  
B. which  
C. how  
D. where
◎ 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“There're so many kinds of tape-recorders on sale that I can't make up my mind _____ to buy. [ ]A. what B. which C. how D. where …”主要考查了你对  【连接代词】  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。