Mỗi câu 37 ạ Dear Mayor Glenn, This email is about the advantages of new renewable energy sources. As you may know, 80% of t

Mỗi câu 37 ạ
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 (33)______in the city. After researching new technologies, I suggest the city develop more renewable sources like (34)_____, 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 (35)______ than coal, cheap to build, and cleaner for the environment. (36)______ have gotten larger, make less noise, and produce more energy with less wind. Nuclear power can sometimes be (37)______, but its cheap to run.

37. A. safe B. dangerous C. advantage D. expensive