should与shouldn't的用法 — 英语填空题
题目
Lily和Amy是好朋友。昨天Lily借走了Amy的故事书，不小心把其中一页撕坏了。Lily想诚恳地道歉并弥补。请用should或shouldn't完成下面的话：Lily ___ say "I'm sorry" to Amy first, and she ___ offer to fix the book carefully. But she ___ just walk away and say nothing. (填should / shouldn't)