5 How are you? I'm fine, thanks 
6 Good morning Miss Ha, My Nam is Ba and this is Phong 

7 Good afternoon, children. My name is Ngyyen Van An. What about you?  
8 Good afternoon teacher. We are fine, thanks 
9 Hi Bao, how are you? 
10 Hello Lương, This is Lan, she is my.friend. she is a new student in my class