Sam:Hi,Daming.

Daming:Hello,Sam.

Lingling:How are you,Amy?

Amy:I’m fine.And how are you?

Lingling:I’m fine too.Thank you.

Ms Smart:Good morning,boys and girls.I’m Ms Smart.

Boys and girls:Good morning,Ms Smart.

Ms Smart:Hello!

Lingling:Hello,Ms Smart.I’m Lingling.

Ms Smart:Hello,Ming.

Daming:I’m Daming.

Boys and girls:Ha ha…