结合上下句和横线后所给标点符号, 在横线上填写适当的词或句子, 使对话完整、正确。
A: Hello, Kangkang. I have just called you, but you weren’t in. 1． ?
B: I have just been to a shopping center with Li Lei. I’ve never been there before, but I don’t want to go there any more.
A: 2． ?
B: Because there were too many people. We got lost and couldn’t find each other.
A: 3． ! Have you found him yet?
B: No, he has probably gone home. Let’s call him up now. I really hate to go to such a place. Let’s go to the Ocean Park next time. 
A: 4． !