根据汉语提示，完成下列句子，每空词数不限。
1. I'd like to collect ______________ (邮票) because they are interesting.
2. On Friday, many students are ______________ (困倦的) after a long week of classes.
3. _____________ (无论什么) you do, don't miss this exhibition.
4. Potato chips ______________ (发明) by mistake in 1853.
5. Could you tell me when Sue and Jack are ______________ (结婚)?
