这个笑话太好笑了，我忍不住发了个lol。

The joke was so hilarious that I couldn't help typing ___lol.

我考试前夜把笔记弄丢了，呵呵。

I lost my notes the night before the exam ___lol.

今天天气真奇怪，一会儿下雨一会儿出太阳，哈哈。

The weather is so weird today, rain then sunshine, ___lol.