根据对话内容选择适当的选项补全对话。选项中有多余的选项。
A. And I think e-mail is one of the best ways to communicate with others.
B. I’ve got so many e-mails to go through.
C. I agree with you.
D. Of course!
E. How many e-mail addresses have you had?
F. I feel like getting more e-mails.
G . I am not sure whether I’m right or wrong.
A: It’s very late. Are you still on the computer?
B: Well, yes.   __
A: What kind of e-mails?
B: Some are messages from my friends and some are from the relatives.
A: Do you have to write them back right away?
B: __ Usually people want a quick reply.
A: __  
B: I’ve already had 40 people’s addresses in my address book! __
A:   __ E-mail is really very convenient.