There'resomanykindsoftape-recor

发布时间：2020-07-11 17:36:00

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

网友回答

B解析由前面so many kinds 可断定不知选“哪椄觥薄?/P>
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