When do they leave是特殊疑问句吗

When do they leave? when do they leave 为什么不用does do they for leave beijing when怎么连词成句 when will they leave they very soon A do leave B are lea when will they leave ? The train will leave at eight变为特殊疑问句,疑问词为when They were here yesterday?改为一般疑问句怎么改?以when开头的特殊疑问句呢? when they leave for beijing They are happy.改成特殊疑问句是什 They are shy 特殊疑问句 They are cakes特殊疑问句 when do you leave ____school