1. 上课 Class begin./ It鈥檚 time for class. Let鈥檚 have / start the lesson. Let鈥檚 begin our lesson.
2. 起立 Stand up./ All rise.
3. 同学们好 Good morning./ afternoon, everyone/ everybody/ boys and girls.
4. 请坐 Sit down, please. Please be seated.
5. 今天谁值日？Who is on duty today?
6. 大家都来了吗？Is anyone absent?
7. 出席多少人？How many students are present?
8. 班级共有多少人？How many students are there in your class?
9. 谁没来？ Who is not here? Who isn鈥檛 at school today? Who doesn鈥檛 come to school today?
10. 你知道他为什么没来吗？What鈥檚 the matter with him? Do you know?
11. 今天几月几日？What鈥檚 the date today?
12. 今天星期几？What day is it today?
13. 今天天气怎么样？What鈥檚 the weather like today? / How is the weather?
14. 今天很冷是吧？ It鈥檚 very cold, isn鈥檛 it? / It鈥檚 a cold day, isn鈥檛 it?
15. 李雷，去看看是谁？Go and see, Li Lei.
16. 请进 Come in, please.