根据上下文的意思补全对话。在横线上写出所缺少的内容。

A: Excuse me. I'm looking for a shop to buy a newly-typed mp4.

    1. ______________________________________________________?

B: Certainly. You can get one in Wal-mart. It's near here.

A: 2. ______________________________________________________?

B: You can take a free regular bus (班车).

A: 3. ______________________________________________________?

B: Only ten minutes.

A: 4. ______________________________________________________?

B: Go across the street. The bus stop is just over there in front of the white building.

    5. _____________________________________________________.

A: Thanks a lot.

B: You're welcome.

春秋决狱的主要原则是（）。

A.区分公罪与私罪

B.同居相隐

C.原心定罪