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 are 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. She is a new student in my class.