unit 3 warming up & reading ⅰ. 完形填空 i have always believed the saying, “any man can be a father, but it 1 something special to be a dad. ”this is true. since the 2 of my son, joshua, things have changed a lot in my life, but the 3 have been good! my wife and i have gone through many 4 moments which have made both of us stronger.