As far as I understood, your answer is the very last option
1) Find the object of the preposition.
2) Ask yourself which other word in the sentence is related to this noun or pronoun by the preposition.
<span>To get to the central bus station, you have to _____ at the traffic lights then follow the road.</span>
Explanation:
1)What is your approach to delegation?
2)Describe how you would ensure that production is on schedule.
3)What, in your opinion, is the most important quality in a Film Director?
4)Describe a time when you made a mistake in your duties.
I hope it helps
