Mr. Smith as well as his wife and daughter, _____ to their school twice.
______ it ______ for your help, I couldn’t have made any progress.
—Did you go swimming last Sunday? —No. We would have gone ______ nicer.
—Do you think the thief entered through the window? —No, if he had, I don’t believe, _______ broken the living-room’s window.
If he ______ it, he _______ it.
If he had worked harder, he _________.