题目内容：

2.What do you think happening to him?I haven't seen him for days.
该错

优质解答

翻译：你觉得他发生了什么事情?我有好几天没见过他了.
改正：What do you think is happening to him ? I haven't seen him for days.
前半句是“What is happening to him?”嵌套入“do you think”的用法.