新概念英语之一册课文原文？

Lesson 1
My name's David. What's your name?
Hello. My name's Sarah.
Lesson 2
This is my sister.
What's her name?
Her name's Jane.
Lesson 3
Good morning, sir.
Good morning. What's your name?
My name's Bill. What's your name?
My name's John.
Lesson 4
Is she your mother?
Yes, she is.
Lesson 5
John and I are brothers.
Is Janet your sister?
No, she isn't.