根据课文内容填空(背诵部分) Some persons___1_____ expressing their __2___ because they feel it will not be welcome. A patient of ___3___, a few weeks after his ___4____ from the hospital, came back to thank his nurse. “I didn’t come back ___5___,” he explained, “because I ___6___ you must ___7____ with people thanking you.” “On the ___8____,” she replied, “I am ___9___ you came. Few realize how much we need ___10___ and how much we are helped by those who give it.” Gratitude is ___11___. For on the smiles, the thanks we give, our little ___12___, our neighbors ___13___ their ___14___.