--Who is late for class again? --________ you ask? Tim, of course.
parents say and do has a life-long effect on their children.
Choosing the right dictionary depends on ______ you want to use it for.
It is none of your business ___ ___ other people think about you. Believe yourself.
Why not try your luck downtown, Bob? That’s ______ the best jobs are.
You can only be sure of_________ you have at present; you cannot be sure of something _____ you might get in the future.