which to buy为什么是which one to buy?
问题描述:
which to buy为什么是which one to buy?
答
这只是半个句子
应该是宾语从句
当宾语从句的主语和从句的主语是指同一人时,从句可以改写成特殊疑问词+to do结构
因此是which to buy