Fill in the numbered blank with proper words. Among the 20 words given, only 15 should be used. Make sure the words come in correct forms in terms of spelling, grammar and meaning.
Observe a child; any one will do. You will see that not a day passes in which he does not find something or【K1】______to make him happy, though he may be【K2】______tears the next moment. Then look at a man; any one of us will do. You will notice that【K3】______and months can pass in which every day is greeted with nothing more than【K4】______, and endured with【K5】______indifference. 【K6】______. most men are as miserable as【K7】______. though they are too bored to sin—perhaps their sin is their indifference. But it is true that they so seldom smile that when they do we do not【K8】______their face, so【K9】______is it from the fixed mask we take for granted. And even then a man can not smile like a child, for a child smiles with his eyes, 【K10】______a man smiles with his lips【K11】______. It is not a smile; but a grin; something to do with【K12】______. but little to do with happiness. And then, 【K13】______anyone can see, there is a point(but who can define that point)when a man becomes an old man, and then he will smiles again. It would seem that happiness is something to do with【K14】______. and that it is the ability to【K15】______pleasure from the simplest thing—such as a peach stone, for instance.【K6】