根据对话内容，从方框内选择合适的句子补全对话。（有两项多余） A. I don’t think so. B. What’s the problem? C. That’s a good idea. D. What’s the reason? E. You’re welcome. F. But what should I do now? G. How are you doing these days? A: I have a problem, Bob. I’m very worried. B: (1) ___________ A: My pen pal from Canada hasn’t replied to my last two e-mails yet. I don’t think she will write to me anymore. B: (2) ___________ Probably she’s busy these days. A: Maybe you’re right. (3) ___________ B: Why don’t you send her an e-card and tell her you miss her very much? A: (4) ___________ Thanks for your advice, Bob. B: (5) ___________