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