TASK 2. Read the following passage and choose the correct answer A, B, C or D.

Dear Mayor Glenn, This email is about the advantages of new renewable energy sources. As you may know, 80% of the electricity for the town comes from the coal plant, which is the cause of (1) ________ in the city. After researching new technologies, I suggest the city develop more renewable sources like (2) ________, wind, and nuclear power. Progress in the last couple of years has made renewables better energy sources than non-renewables like coal and gas. For example, solar panels have become less (3) ________ than coal, cheap to build, and cleaner for the environment. (4) ________ have gotten larger, make less noise, and produce more energy with less wind. Nuclear power can sometimes be (5) ________, but it’s cheap to run.

As you may know, 80% of the electricity for the town comes from the coal plant, which is the cause of (1) ________ in the city.