否定句:He didn't use stones to kill animals for food.
一般疑问句:Did he use stones to kill animals for food?
肯定回答:Yes,he did.
问地点:Where did he use stones to kill animals for food?
He used stones to kill animals for food in the forest.
否定句:He didn't use stones to kill animals for food.
一般疑问句:Did he use stones to kill animals for food?
肯定回答:Yes,he did.
问地点:Where did he use stones to kill animals for food?
He used stones to kill animals for food in the forest.