市政厅办了邀请家人来荷到邀请信，高手看看怎么填

3.A I herewith undertake to provide the foreign national as specified under 4 with accommodation
YES     NO
3.1 Why have you undertaken to sponsor the foreign national in question and provide them with accommodation?
_________________________________________________________________________
3.3 In what way are you related to/connected with the visa applicant?
______________________________________________________

大家帮来填一下。具体是想邀请老婆儿子来2个月。

那个``请问下,你邀请信弄成功了不??
我现在也要办理邀请信,但不知道怎么弄