Read the following paragraph and choose the correct option to fill in each blank.
I come from a town where people really care about the environment. We don’t want to live in a place that is dirty and full of pollution. So, we try our best to keep it clean. It isn’t always easy, but we do the best we can! There are many places and people that are working together to help make our town and the world better. At the markets, many of the owners and managers have started to (21) _________ single-use plastics because they cause too much pollution. I think that more and more people are trying to save the environment, which is great. My school has also been trying to (22) _________ the amount of pollution it is causing. All the students and teachers are trying their best. We are all also trying to (23) _________ our trash, so that it doesn’t go to waste. There are still some things we can do better, but I’m happy with how hard we are all trying. Even at home, we are trying our best. We try to save as much water as we can, and use as little electricity as possible. It isn’t only good for the environment, but also for us! If we use less water and electricity, we (24) _________ save money! I guess what I’m trying to show you is that the (25) _________ to global warming and pollution is working together. We can all do our best individually, but as a team we can do an even better job!
(21) _________
