从方框中选择适当的句子补全对话，有两项多余。(5分)
A: Good morning.
B:
A: Do you have a friend here?
B: Yes, I do.
A:
B: Oh. She is my friend, Jessica.
A:
B: She comes from the USA.
A: She looks like Betty.
B:
A: Are they in the same school?
B: Yes. 
A: Is Betty your friend, too?
B: No, she isn’t.

A. Who is that girl? B. But they’re in different grades. C. Where is she? D. They are sisters. E. Good morning. F. Thank you. G. Where does she come from?