| 1 | He has a wide range of knowledge | |
| 2 | The campus of this university is extremely large, and it's easy to get lost. | |
| 3 | We passed through a vast grassland full of wildflowers. | |
| 4 | Brazil has vast territories and abundant natural resources and is one of the largest countries in South America. | |
| 5 | A long protective wall was built on this vast plain to fend off invaders. |