Условие:
He thinks it will be something extraordinary if he passes this exam. this exam is something extraordinary.\nThe scientist considers that chance happy when he found such a useful article. such a useful article.\nThe process of making a good teacher will require much time, endurance and patience on his part. a good teacher will take much time, endurance and patience.\nEurope needs leading positions in the world to drive forward. forward is a matter of being in the lead.\nIf the show is a success, its prestige will be regained. a success is a matter of regaining prestige.
