根据对话情景和内容，从对话后所给的选项中选出能填入每一空白处的最佳选项，并在答题卡上将该选项涂黑。选项中有两个为多余选项。
Jack: How do you keep in touch with your aunt in America?
Emma: Oh．I make a phone call once a month．
Jack:   6
Emma: Yeah．
Jack:   7
Emma: I have never thought of it．Is it convenient and cheap?
Jack: Sure．8
Emma: Oh? It may be wonderful to send e-mails through the Internet．
Jack: Yes．In addition, you can make a phone call through the Internet, too．
Emma: Really?    9   But I don't know how to get access to the Internet．Could you show me?
Jack:    10   ．I'll show you．
Emma: I appreciate it very much．．

A．No problem．

B．I'm so glad to hear that．

C．It's very expensive, right?

D．No wonder it's so popular．

E．Why not send e-mails through the Internet?
F．Do you know how to send e-mails through the Internet?
G．You can send e-mails to each other every day through the Internet