划线部分提问 People are trying to protect them.（划的：are trying to protect them）
问题描述：
划线部分提问 People are trying to protect them.（划的：are trying to protect them）
答
望采纳
What are people doing?
如果划线部分为protect them，那么应为what are people trying to do?
拓展
He reads English every day.
否定句 Hedoesn't read English every day
疑问句 Does he read English every day?
对reads English 提问 what does he do reads English every day?
he is reading English.
否定句he is not reading English
疑问句Is he reading English?
对 reading English提问 what is he doing?
答
What are people doing ?
答
What are people doing?