Помогите составить вопросы (общий,специальный,альтернативный,разделительный,и вопрос к подлежащему) к предложению 
1.Yuri  Gagarin was the  first  cosmonaut in the  world (Past Siimple) 

1) Was Yuri Gagarin the first cosmonaut in the world?
2) Who was Yuri Gagarin?
3) was Y.G. the first or the second cosmonaut in the world?
4) Yuri Gagarin was the first cosmonaut in the world, wasn't he?
5) who was the first cosmonait in the world?