提出环保建议的表达 — 英语选择题
题目
班级想少用纸，也想让校园更干净。哪句建议同时符合这两个想法？A. We should use both sides of paper and put rubbish in bins. B. We should use new paper each time and put rubbish in bins. C. We should use both sides of paper and drop rubbish on the ground. D. We should leave the lights on and drop rubbish on the ground.