祈使句表达安全规则:Don't... / Be careful — 英语选择题
题目
体育课上下课后,老师想同时表达“小心”和“不要在走廊里跑”两层安全提醒。下列哪一句能同时表达这两层意思?A. Be careful, and don't run in the hall. B. Don't be careful in the hall. C. Be careful, and run in the hall. D. Don't run, and don't be careful.