interrogative substitute

例句：

1. 1. She asked me a question about the weather.
   她问我一个关于天气的问题。
2. 2. He used an interrogative substitute to ask for her opinion.
   他用一个询问代词来征求她的意见。
3. 3. The teacher used interrogative substitutes to make the lesson more engaging.
   老师使用询问代词使课程更加吸引人。