1．上课（Beginning a class）
（1）Let’s start now．／Let’s begin our class／lesson．
（2）Stand up，please．
（3）Sit down，Pease．
2．问候（Greeting）
（4）Hello，boys and girls／children．
（5）Good morning，class／everyone／everybody／children／boys and girls．
（6）Good afternoon，class／everyone／everybody／children／boys and girls．
（7）How are you today
