常见课堂用语与问候语 — 英语选择题

新学期第一节课，老师说出课堂用语后，同学们要做出正确回应。请选出每组对话中回应正确的一项：A. —Close your books, please. —Thank you. B. —Stand up, please. —Sit down, please. C. —How are you today? —I'm fine, thank you. And you? D. —Sit down, please. —Good morning, Miss Li.