My grandfather never watched TV. He thought that people spent too much time ___ 1 __ it. Some of his friends ___ 2 __ talked about sports shows, the movies and plays. My grandfather said to himself, 'They never read ___ 3 __ books or go out in the evening. '__ 4 ___ he didn't buy a TV. Two years __ 5 ___ my grandfather was 60 years old. He stopped __ 6 ___ in the hospital. My father bought him a TV. He __ 7 ___ to watch all the news. He knows __ 8 ___ more about the world now. And he reads more books, too. Now, my grandfather will get very __ 9 ___ if you trouble him (麻烦)  when he is watching TV. I can't understand (明白) that one can change his _____ when he is 60.