Question

Помогите пожалуйста!!! нужно составить пять видов вопросов на английском языке к данному предложению.
John Leach, a survival instructor, has studied the behaviour of people in disasters around the world for several decades.

Answer 1

Who is John Leach?
How time John Leach Studied the behaviour of pepole in disasters ?
What John leach do for several decades?
Why John Leach studied the behaviour of people in disasters?
Who studied the behavior of people in disasters?