| 1 | The scientists persevered with their experiments until they succeeded. | |
| 2 | Julia tirelessly championed the cause of official celebration of Mothers Day and declaration of official holiday on the day. | |
| 3 | Him based on farmland, tirelessly studied the wheat, cotton, how to land on the homeland can have higher output. | |
| 4 | In Latin America, Senator Kennedy had been a tireless advocate for democracy and human rights since the early 1970s, when he opposed military dictatorships in Chile and Argentina. | |
| 5 | Those who persevere, gain new insights into their target market, and actually find out how to monetize their blog, directly or indirectly. |