A．Good morning, Mom and Dad!  | B．Good morning, boys and girls! |
| A．Good evening, Mom! | B．Good afternoon, Mom! |
| A．Good afternoon, Dad! | B．Good morning, Mom! |
| A．Good evening, Miss White! | B．Good afternoon, Miss White! |
A．Goodbye, Dad!  | B．Good night, Dad! |
| A. Good morning, Daming! B. Bye bye, Colin! C. Good night, Jenny! D. Good afternoon, Mary! E. Good evening, Su Nan! |
| A．Bye! |
| B．I'm fine. |
| C．Nice to meet you, too. |
| D．Good afternoon. |
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