Stone seldom, _______, refuses to help others when they turn to him, for he is only too ready to do so.
The sentence wants ____ once more.
--Why are you so anxious? --It isn’t your problem ____.
The two sportsmen congratulated each other ____ winning the match by shaking hands.
He began to take political science _________ only when he left school.
Yesterday I went to see him, _________ that he had gone abroad two days before.