1.From what number can you take half and leave nothing?
2.what word have thousands of letters in it?
3.what 5-letter word has 6 left when you take 2 letters away?
4.what kind of dog never bite?
5.where does afternoon always come before morning?
6what is pronounced like one letter,written with three letters,and belongs to all animals?
7.what number gets bigger when you turn it upside down?
答案：
解析：
