You should spend about 20 minutes on this task.
You have been invited to attend an interview for a place studying a course in a college. Unfortunately, because of a previous appointment, you cannot come at the time they wish.
Write a letter to the admissions tutor:
explain your position
apologise and offer to come on another day or later the same day.
ask how long the interview will be and whether there will be any tests during it.
You do NOT need to write your own address.
You should write at least 150 words.