英语语法填空一题。要解释为什么

Question

英语语法填空一题。要解释为什么Sometimes I act as a listening ear for fellow students to talk over what _________ them．

Answer 1

bothers 整句的翻译是，有时候，我是我同学忠实的倾听者，我聆听他们烦恼的事情。bother 动词，翻译为烦扰。Sometimes, I act as a listening ear (1.for fellow students(2. to talk over (3.what _bothers______ them．)))3句是宾语从句，talk over sth谈论什么