Question

It's my birthday party today.
1) общий вопрос
2) спец. вопрос
3) вопрос ко подлежащему
4) вопрос с хвостиком

Answer 1

1 Is it your birthday party today? 
2 When is your birthday party ? 
3 What event is it today? 
4 It's my birthday party today, isn't it?