Question

【题目】The CDs are wonderful.I don’t know ________.

A.to choose which one.B.which to choose one

C.which one to chooseD.one to choose which

Answer 1

【答案】C

【解析】

句意：这些CD很棒，我不知道该选哪一个。

考查疑问词+不定式形式作宾语。choose选择，根据所给空前面的know可知，应该是“疑问词+不定式”结构作know的宾语，which one“哪一个”是疑问词，故选C。