-Don't understand your question. Generally, you need to fill out all the items in the form that apply to you.
另外我前任在离婚时把结婚证书等相关文件带走,我是否必须到市政厅申请一份copy?
而结婚证书和离婚判决这些文件是否在寄送n400表格的时候也需要一起寄出?还是只在面谈时供移民官查询?谢谢。
--You don't need to provide such documents for your US citizenship application.