问题描述: whom should I contact if there are any problems?为什么用whom不用who? 1个回答 分类:英语 2014-10-15 问题解答: 我来补答 whom是谁的宾格,只能做宾语 / who是谁的主格,只能做主语whom should I contact if there are any problems?还原为陈述句I should contact whom if there are any problems 展开全文阅读