5 вопросов к предложению ** анг. я. : he became a pilot in 1991 (ПОмогите пж)

Question

5 вопросов к предложению на анг. я. : he became a pilot in 1991

(ПОмогите пж)

Answer 1

1.Did he become a pilot in 1991?
2.When did he become a pilot ?
3.Who he became a pilot in 1991?
4.Why did he become a pilot in 1991?
5.How did he become a pilot in 1991?