礼貌借用与分享的交际用语 — 英语填空题
题目
Amy forgot her umbrella. After school, she politely asks her friend Lily: Excuse me, ___ I use your umbrella, please? Lily says: Sure. Here you are. Amy should say ___ to show thanks. The next day, Amy gives the umbrella back and says: Thank you! Lily answers: ___.