最简单的：
A：Hello!Nice to meet you !
B：Hi!Nice to meet you,too!
A：What's this in English?
B：Sorry,I don't know.Let's ask C.
A B:Hi!C.What's this?Do you know?
c:Oh!it's a dictionary.
A:How do you spell it
c:D-I-C-T-I-O-N-A-R-Y.
b:What color is it?
c:It's red.
A b:Thank you.
c:My pleasure.
(问物）（初一上册英语预备单元短句）要两分钟的对话