谁知道英语的谜语啊？

http://vip.6to23.com/sentry/Riddles/Riddle2.htm

Where is the richest place?
The river.
因为河有两个河岸(bank),而银行也是bank.

1.What month do soldiers hate?

2.How many feet are there in a yard?

3.Why is an empty purse always the same?

4.What book has the most stirring chapters?

5.What kind of dog doesn't bite or bark?

6.What is the smallest room in the world?

7.What kind of water should people drink in order to be healthy?

8.How do we know the ocean is friendly?

9.Which can move faster, heat or cold?

10.Why is the library the highest building?

答案：

What month do soldiers hate?
March (三月，行军)

How many feet are there in a yard?
It depends on how many people stand in the yard. (码，院子)

Why is an empty purse always