What did they listen to a talk?Sorry,I have no idea.改错

问题描述:

What did they listen to a talk?Sorry,I have no idea.改错

可以将a talk去掉 将问句改为一个简单的特殊疑问句
也可以将what改为where,when,how often等词 使之变为状语从句的疑问形式

把What改为Wen

When did they listen to a talk?
Sorry,I have no idea

What did they listen to?