脑筋急转弯 quick thinking
1. What will you break once you say it? (什么东西一说出来就打破？)
2. What always goes up and never goes down? (什么东西只升不降？)
3.What animal can jump as high as a tree?
4.What must you do before you return a book to the library?
5.A police officer had a brother ,but the brother had no brother.How could that be?
6.Which month has 28 days?
7.What starts with T ， ends with T， and can be full of T ？
8.what room has no walls, no doors, no windows and no one to live in?
9.Where does afternoon always come before morning?
10.what kind of dog never bite?