Experts say walking is one of the best ways for a person to _____ healthy.
He was honest and told us ______ he knew.
She may have missed the train, in _______ case she won’t arrive for another hour.
The best job is _____ which uses your skill in doing something together with your interest in the subject.
Living in the central Australian desert has its problems, _____ getting water is not the least.
_____ could be judged from what he had said, he felt terribly sorry for what he had done.