Q1, but you can give more detailed explanation, be honest and be confident
Q2, i think this is to refer to witness
Q3, religious ceremony=mu shi zheng hun
civil=to government for 登记, u should answer this, give the title and name of the serviceperson, do u have marriage certificate?
4, n/a or unemployment, but give explanation.
i must say this, TNND, is a special 'diao nan' to chinese. good luck