If there are much more people in the world，then there 76．______ must have more food to feed the people. But food is 77．______ already serious problem today．One-third of the world’s population 78．______ are starving．because there is not any enough food. Ten thousand 79．______ people die of hunger everyday in some parts of the world. 80．______ But in others parts of the world, people become ill or die 81．______ so they eat too much food, and they are too fat． 82．______ Some countries have no food，but others have too much，and they 83．______ throw them away. How can tomorrow’s world feed its people 84．______ The world needs to produce more food than it is now． 85．______