It was on a lonely island              he was found alive after the accident.

 It is only ______ you understand what your parents do to you ______ you can improve your relationship with your parents.

It was two days before my mother flew to New York ______I arrived home.

– I’ve read another book this week.– Well, maybe ____ is not how much you read but what you read that counts.

It was she that ________a sharp whistle, which makes ________possible for us to catch the thief.