There’re so many kinds of tape-recorders on sale that I can’t make up my mind to
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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
试题答案
B
解析:
which 用于有范围中的“哪一个”， 此处作buy的宾语。