What / challenging job / you ever do?
What is the most challenging job you have ever done?
What / useful / taking a language course or survival course?
What is more useful taking a language course or survival course?
Who / adventurous / you or your partner?
Who is more adventurous you or your partner?
Who / determined person / your family or class?
Who is the most determined person in your family?
What / difficult situation / you ever cope with?
What is the most difficult situation you have ever coped with?
What / challenging activity / you ever do?
What is the most challenging activity you have ever done?
Who / talented person / you ever meet?
Who is the most talented person you have ever met?
What / exciting / climbing or diving?
What is more exciting climbing or diving?
Who / motivated person / you ever meet?
Who is the most motivated person you have ever met?
What / good / work alone or in a team?
What is better work alone or in a team?
What / dangerous thing / ever happen to you?
What is the most dangerous thing that has ever happened to you?
What / extreme sport / you ever do?
What is the most extreme sport you have ever done ?
What / difficult exam / you ever take?
What is the most difficult exam you have ever taken?
What / stressful / having a job interview or surviving in a difficult climate?
What is more stressful - having a job interview or surviving in a difficult climate?
Who / reliable person / your acquaintances?
Who is the most reliable person of your acquaintances?