Memory, as time goes on, is a selective thing. 2. The subversion attempts proved predictably futile. 3. The guerrillas would fight to death before they surrendered. 4. We believe that the younger generation will prove worthy of our trust. 5. It was beyond his power to sign such a contract. 6. The custom-made object, now restricted to the rich, will be within everyone’s reach in the future. 7. In the end things will mend. 8. He wanted to learn, to know, to teach. 9. These problems are too complicated to be explained clearly in a few words. 10.Rockets have found application for the exploration of the Universe.