按要求改写句子，每条横线只填一个单词：
1. The children like the ball. （改为一般疑问句）
______ the children ________ the ball ?  
2. Please put the clothes here.(改为否定句)
________ put the clothes here, ________ .   
3. They get up at six thirty.(就划线部分提问)
What _______ _________ they get up?