What is he doing？的答语为He is ＋动词－ing＋其他。在进行时中特殊疑问句特殊疑问词+be动词+主语+动词的现在分词形式+其它?例:What are you doing ?When is he going to school ?对现在进行时的特殊疑问句的回答，它不可以用Yes或No直接作答，要根据实际情况回答。
What is he doing的答句三年级
He is listening to a music.
What is he doing的答句三年级
He is reading. He is playing football. He is having breakfast. 都可以呀，简单点的动词三年级会了
What is he doing的答句三年级
He is doing his homework.
What is he doing的答句三年级
He is reading.
就是He is 后面随便加什么动词，但要写成现在分词的样子.