Why is an empty purse always the same?

Why is an empty purse always the same?
1.why is an empty purse always the same?
（为什么空钱包总是一样的?）
2.what is full when it's used and empty when it's ai rest?
（什么东西用时满闲时空?）
3.why did little Tom put his brother's gutar in the refrigerator
（小汤姆为什么把他哥哥的吉他放在冰箱里?）
4.what kind of unbrella does a Russian carry when it's raining?
（当下雨时一个俄国人带着什么样的伞？）
5.why are giraffes the cheapest to feed?
（为什么养长颈鹿最不话钱？）
6.why is the pig always eating?
（为什么猪没完没了地吃？）
7.why are politicians no longer concered with snowball fight?
（政客们为什么不在关注打雪仗了？）
8.why don't women get bald as soon as men?
（为什么男人总是比女人先秃头？）
9.what can pierce one's ears without a hole?
（什么东西不用打洞就可以在耳朵上穿孔？）
10.what's the longest word in the world?
（世界上最长的单词是什么？）
11.why does time fly?
（时间为何飞逝？）
12.where can a dog get another tail?
（狗去哪里可以在弄到一条尾巴？