文本：
1: I am Andy.
2: Hello!
3: Good morning.
4: This is Kay.
5: This is Miss Dizzy. Your English teacher.
6: How do you do.
7: Hi!
8: Good bye!
9: So long.
10:Bye-bye!
A: Hello! I am Andy.
Hello! I am Mr. Write.
I am Bobby.
I am Kay.
B: Good morning Mr. Write .
I am Bobby.
Good morning.
Good morning. I am Andy.
I am Miss Dizzy. Good morning.
C: This is Kay.
This is Alum.
How do you do.
This is Miss dizzy. Your English teacher.
How do you do.
D: Hello! Bobby
Hi! Andy.
Good bye!
Bye-bye!
Hi! Kay.
Hi! Bobby.
So long.
Bye-bye!
