بر اساس کلماتی که در کادره آمدهاند، جوابهای زیر مناسب هستند:
1. The increasing use of oil and gas endangers the **lives** of the area.
2. Hundreds of people lost their **lives** on the first day of the fighting.
3. Any increase in the price of gas will **mean** a more difficult life for poorer people.
4. Iranian cheetahs and Persian leopards are both listed as **protected** species.
5. Some living things have a natural **lifespan** of only a few months.
6. We need to **save** the rain forests from destruction before it's too late.
تاج