I don’t remember how many years ago _______I last showed you round the garden.
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.