I am writing this because the climate is changing rapidly, coupled with the fact that the automobile and locomotive factories emit a lot of exhaust gas, the air pollution is serious and causes global warming
I will write this because of the rapid climate change and the large amount of exhaust gas emitted by automobile and locomotive factories. The serious air pollution has led to global warming
I am writing this because the climate is changing rapidly, and the automobile and locomotive factories emit a lot of exhaust gas, and the air pollution is serious, which leads to global warming.