What is the funniest joke in the book?

1. In high school, after class was over, all the students went outside to buy lunch boxes. A girl took a shortcut before others, and the manhole cover in front of her fell off! After a while, she climbed up with the edge of the well. She was embarrassed. A group of junior high school students walked by in horror. She was in a hurry and said as she climbed, hey! It's really hard to repair. ...

2. When I was still in middle school, I was bitten by mosquitoes in summer, and I felt itchy in class, but I couldn't reach in and scratch, so I put up with it! It's killing me After class, I stole a box of cool oil from my deskmate (girl) and ran to the toilet. I regretted it after putting it on-DD stood up and said nothing! I can't stop without clothes in summer, so I have to bend down and move back to the classroom, sit down and lean on the desk and dare not move. Cool oil smells so bad that my deskmate snapped, You stole my cool oil? Where did you wipe it? ! I wish I was dead!

I just opened the coke and drank it twice, then shook it and blew it out. Hold it in your mouth, stick it, and finally spray it out of your nose. ★☆

One day, I got on the bus with a good friend. The front was full, so I ran to the back and there were just two seats. There are two middle school students sitting in the front row. After one stop, a woman in her twenties led a 7-or 8-year-old boy on the bus. (I learned later.

This is her child,: (