why is ten afraid of seven?

why is ten afraid of seven? 10为什么怕7 why is ten afraid of seven why is nine afraid of seven Why is six afraid of seven? 求几则英文谜语比如Why is Seven afraid of Nine ?Because seven eight(at why does seven afraid of nine? 猜谜：Why is nine afraid seven? 脑筋急转弯 Why is six afraid of seven?I am a kind of fruit,green why is nine afraid of seven?拜托各位了 3Q why is a dog afraid of sunshine?急. It is ten to seven seven,and,t(),iS,ten