英语 六年级 选择题 标准

should表义务的用法 — 英语选择题

辽宁师大版·英语 Unit 4 Let's go green AI 三重审校通过

题目
班级规定:离开教室时要关灯。哪句话用 should 表达这项要求?A. We should turn off the lights when we leave. B. We should leave the lights on. C. We can turn off the lights when we leave. D. We must turn off the lights when we leave.