| 1 | The aid materials have arrived in the disaster-stricken area. | |
| 2 | I need to buy some emergency rescue supplies. | |
| 3 | Antarctica has rich wild animal and plant resources. | |
| 4 | The donated goods have arrived in the disaster area and are being distributed to the victims. | |
| 5 | The boys' clothes were made of material they had woven themselves. |