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How long does it take to finish Peking University

There is a fast-moving car. When turning left at 90 degrees at the intersection, which tire must be off the ground?

A dog doesn't always bathe, why not have lice?

Xiao Ming knows the answer to the test paper. Why do he still watch his classmates frequently?

Xiaohua will take the exam tomorrow. He has already learned English by heart. He still failed the exam the next day. Why?

The three children each bought the same pair of shoes. Why are they still wearing different shoes?

There were ten birds in the forest. One was shot and killed. Why didn't the other nine fly away?

I'm not old and have a big beard. No matter who I meet, I always call my mother.

There is a kind of ship that has never been under water, why is it still a ship?

What is the product whose manufacturing date is the same as the effective date?

What disease does sleeping beauty fear most

Two father and son went to buy hats, why only bought three?