句型:We should/shouldn't... — 英语选择题
题目
教室地上有纸屑,垃圾桶就在旁边。要表达“我们不应该把纸屑留在地上”,选哪句?A. We should leave the rubbish on the floor. B. We shouldn't put the rubbish in the bin. C. We shouldn't leave the rubbish on the floor. D. We should leave the rubbish in the bin.