单词拼写

1. You'll need p__________ and understanding if you're going to be a teacher.

2. If anything happened to the kids, I'll never f__________ myself.

3. Li Xiaopeng o__________ his success to hard training and good skill.

4. It seems f__________ to give them a second chance.

5. I do want you to know how much I t__________ our friendship.

展览业的作用是什么？