They should clean all the classrooms today. They should also plant all the trees around the campus this Saturday. (sentence with parallel structure)
They should clean all the classrooms today,and plant all the trees around the campus this Saturday.
They should clean all the classrooms today. They should also plant all the trees around the campus this Saturday. (sentence with parallel structure)
They should clean all the classrooms today,and plant all the trees around the campus this Saturday.