they should put their work first .(改为一般疑问句) ＿＿they ＿＿their work first?
问题描述：
they should put their work first .(改为一般疑问句) ＿＿they ＿＿their work first?
答
Should,put
肯定句改为一般疑问句：先找到动词部分,把情态动词或助动词提到句首,实意动词的位置不变