6. morning/ Miss ha/ name/ Ba/ this/ is/ Phong.
-> Good morning, Miss Ha. My name is Ba and this is Phong
7. afternoon/ children/ name/ Nguyen Van An/ How/ you/ ?
-> Good afternoon children, My name is Nguyen Van An. How about you?
8. afternoon/ teacher/ we/ fine/ thanks.
-> Good afternoon teacher, we are fine, thanks
9. hi/ Bao/ how/ you/ ?
-> Hi Bao, How are you?
10. Hello/ Luong/ this/ Lan, my friend/ she/ a/ new student/ my class.
->  Hello, Luong. This is Lan, my friend and she is a new student in my class.