他的父母想知道他的学习情况 His parents wanted to know how he his study

题目

他的父母想知道他的学习情况 His parents wanted to know how he his study
翻译 他的父母想知道他的学习情况
His parents wanted to know how he —————— his study

答案

是要在中间的横线上填空么,我是这么理解的.
His parents wanted to know how he does in his study.