4 Underline the correct word. Dear Patty, Hi there! How are you? We 1) have been learning/learn about pollution at school this week and how it destroys the natural 2) areas/habitats of many animals. We 3) have to/don't have to protect these endangered species before they disappear altogether. For example, acid rain 4) damages/has been damaging the environment for years. It starts with the smoke from power 5) stations/factories and the fumes from car exhausts! The clouds take in the smoke and then it rains down on us! We 6) have to/don't have to do much to reduce pollution. We can do little things like walking to school instead of taking the bus, and recycling our rubbish. The government 7) has been talking/was talking about the problem and it is trying to find ways to reduce acid rain. Write and tell me what you 8) done/have been doing at school. Love, Sara