节约用水用电句型 — 英语填空题

地球是我们的家。Lisa在参加班级的 Going green 主题讨论。请根据情境，用 should 或 shouldn't 填空（每空一词）。Everyone ___ save water and electricity. We ___ brush our teeth with the tap running. We ___ turn off the lights when we leave a room. If we do these small things every day, our city will be greener.