根据课文的内容在每个空白处填入一个怡当的词。 

This61has taught me much about dying and about living.62Jim, I have learned that I don, t have to do very much for a person who is dying63to be with him or her by being myself. So often I have felt a64of helplessness, of not knowing what to say or how much to say, of not knowing what to ask or not to ask, of feeling unable to speak. Jim’s oncoming death seems such a65,and it’s very difficult for me to66it. Gradually, however, I have learned not to be so67about what to say or not to say. In fact, in my last visit I said very little, but I feel that we made significant68with each other. I’ve also learned to69with him the sadness I feel, but there is simply no70way to say good-bye to a friend.