It is not where you come from or what you are, but the ability to do the job _____ matters.
He would have been a doctor 20 years ago, but he _____ to be a teacher.
—We must _____ their permission whatever the cost is. — But I’m afraid they will reject.
I promise _____ else can you find _____ better computer at such a low price.
It wasn’t until he came back _____ he knew the police were looking for him.
I don’t know why you are so concerned — it’s not your problem _____ .