根据对话内容，从方框内选择恰当的句子填入对话相应的空白处，使对话完整，合乎情景（有两个多余选项）。

A：Excuse me，sir．（1）_________

B：Sure．What can I do for you，young man?

A：（2）_________ So our class want to go on a trip．I'd like to look for some sightseeing information．I want to know if you have a one-day tour．

B：Of course we do．We have many such tours．（3）_________

A：Well，we are going to visit Hongyadong，Ciqikou，Gele Mountain and so on．

B：They are all interesting places in Chongqing．（4）_________

A：Well，today is Jan 22nd．And we still have another four days before the final exams．（5）_________

B：Oh，I see．