阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。
Redenvelopes ____(relate) to the Chinese Lunar New Year for long. I myself havehad plenty of ____(experience) both receiving and giving out red envelopes inthe past, and generally speaking, it's been fun. I mean，who doesn't love free money?
I'm truly surprised by the extent of people'sobsession with virtual red envelopes this year. In fact, everyone I know spentat least a day or two ____(crazy) shaking their smart phones，mostly trying to get as much lucky money as possible. Thanksto messaging app giant WeChat's new feature ____ allows users to send moneyelectronically, grabbing virtual red envelopes has never seemed so easy.
Just in case you are one of the very fewpeople still not on the bandwagon, here's ____ it works. Givers link theirWeChat to their bank accounts, and then they can send specified amounts ofmoney to their WeChat contacts through a personal message. They can also putthe cash up ____ grabs in chat groups full of friends, and anyone who acts fastenough will get ____ share. Later，receiverscan transfer the funds from their WeChat back into their own bank accounts.
In theory，thissounds like a fun game. I'm always for some harmless fun in life, so my naturalresponse would be：Why not? Moreover,I've always believed that it's human nature to want free stuff, regardless ofwhether you actually need it or not. This may not be a good quality, ____ it'snot against the law, so I won't get all judgmental here. ____(consider) thesereasons, I really can't fault anyone for their enthusiasm in grabbing virtualred envelopes. I would have done it too, ____ I not thought linking WeChat tomy bank accounts was too much trouble.
