打招呼的方式
1、 How are you
2、 How have you been? How have you been doing
eg: I've just been busy with work what about you
I've just been working on the new project
3、How are things(today) ? How are things going
Good good/ Awful/ terrible
4、What's going on?
eg: what's going on? You look upset
5、How's it going?
6、what's up = what's going on