UNIT 6POISONOUS AIR AND CANCER, BUT NO ONE WANTS TO TRAVEL ON FOOT OR...

5. - We went to school late because of the heavy rain.(3)……….the air so much that policemen have to wear oxygen masks. We (4)a. Because the rain was heavy, we didn’t go to school on time...down so many trees that there are now vast areas of wasteland all over………b. We went to school late because rain was heavy.the world. As a result, farmers in parts of Africa can not grow enough to eat. c. We went to school on time although the rain was heavy.In certain countries in Asia there is so little rice. Moreover, we do not take d. We went to school late in spite of the heavy rain.enough (5)………of the countryside. Wild animals are quickly (6)……….