Question

【题目】There are so many beautiful bags in the store. I can't decide _______.
A.to buy which one
B.to buy what
C.which one to buy
D.what to buy

Answer 1

【答案】C
【解析】句意：商店里有很多漂亮的袋子。我不能决定买哪一个。疑问词+动词不定式，相当于名词，可作主语，宾语。which one to buy：买哪一个；what to buy：买什么；结合句意和语境可知选C。