题目内容：
Dialogue ThreeA：It’s very late．Are you still on the computer?
B：Well，yes．_____8_____
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：Of course! Usually people want a quick reply．
A：How many e-mails addresses have you had?
B：I’ve already had 50 people’s address in my address book! _____9_____
A： _____10_____ E-mail is really very convenient．
第8题__________ 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．I feel like playing computer games．
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