补全对话（共5分，每小题1分）
从方框内所给句子中选择恰当的句子完成下面对话，并将其代表字母填在答题纸的相应位置。(方框中有两个选项是多余的)
A: Do you know there will be a robot show in the city, Liu Na?
B: Really? What exciting news!
A: __________________
B: Great! I can’t wait for it. ____________________
A: It starts this Saturday. And it will last five days.
B: _____________________
A: It will be held at the City Exhibition Center.
B: OK. Let’s go there. It will be great fun if we buy a robot there. ______________
A: I’ve got no idea. _________________ I want to buy one for my little brother, too. If the price is high, we can just enjoy watching the robots.
B: You’re right. That’s the important part.