A: Would you mind repairing the MP3 player for me?

B: ______.

《东京梦华录》记载：“茶坊每五更点灯，博易买卖衣服、图画、花环、领抹之类，至晓即散，谓之‘鬼市子’（早市）。”这种现象的普遍出现开始于（    ）

It is u____ acknowledged that people cannot succeed or achieve their targets without a strong will and persistence.

古诗文默写。