Beginning a class ( 开始上课）

1. Let's start class. =It's time for class. 上课
2. Hello, boys and girls / children.同学们好
3. Good morning /afternoon, boys and girls / teacher/同学们／老师们,早晨好／下午好
4.Stand up / Sit down, please.起立／请坐
5. Who is on duty today? 今天谁值日?
6. Is everyone / everybody here /present? 大家都出席了吗?
7. Is anyone anybody absent? 有人缺席吗?
8. Who’s absent? 谁没来?
9. Let's begin our class. 咱们上课吧.
10. We'll start / begin a new lesson today.今天我们讲学习新课.
11. What day is it today? 今天星期几?
12. What's the weather like today? 今天的天气怎么样?