must, had to, don't have to, must, don't have to.
environmental protection - защита окружающей среды
to absorb (smth) - поглощать
acid - кислота
to pollute - загрязнять
to reduce the resources of forest - сокращать лесные ресурсы
water shortage - нехватка воды
to suffer an environmental problem - сталкиваться с проблемой окружающей среды
destroy - разрушать
waste s - отходы
to damage the resources - нанести ущерб ресурсам
1. What do people’s activities result in? - c. Air and water pollution.
2. What happens to birds, animals, fish and people because of polluted water? - a. Many birds, animals and fish die of polluted water. Others are getting contaminated and people may get sick from eating them.
3. What do wastes of cars and plants destroy? - d. The ozone layer which protects us from the sun.
4. What must we do of we want our children to live in a healthier world? - We must learn to protect the water, the air and the earth from the pollution.
1.why were you trying to make me change my mind - she asked me
2.had you every written a letter of complaint? - my friend wondered