4、谜语: What goes on four feet, on two feet and three, but the the more feet it goes on the weaker it willbe (谜底:man 5、请在空格中填入一个恰当的成语组成诗句4、 谜语：What goes on four feet ,on two feet ,and three, but the the more feet it goes on, the weaker it will be . (谜底：man) 5、请在空格中填入一个恰当的成语组成诗句： 春风得意 马蹄疾