With so many people helping protect the environment, there are still serious environmental problems.It's time for everybody to 10.try his or her best to do something for the earth.Are you trying to help?Welcome to write to us to talk about your ideas! 导航页导航页 With so many people helping protect the environment, there are still serious environmental problems. It’s time for everybody to 10.___________________ to do something for the earth. Are you trying to help? Welcome to write to us to talk about your ideas! try his or her best