_ok,class beginning
_Stand up
_good morning,guys!
_good morning,sir/Miss
_sit down,please
_thank you!
请问上数学语文课时说的开场白（上课起立老师好）,上英语课怎么说?表示压力很大o>_
_ok,class beginning
_Stand up
_good morning,guys!
_good morning,sir/Miss
_sit down,please
_thank you!