1. (2015八上·诸暨期中) 语法填空

    My grandfather never watched TV. He thought that people spent too much time  it. Some of his friends talked about sports shows, the movies and plays. My grandfather said to himself, "They never read books or go out in the evening. " he didn't buy a TV.

    Two years my grandfather was 60 years old. He stopped  in the hospital. My father bought him a TV. He (开始) to watch all the news. He knows more about the world now. And he reads more books, too.

    Now, my grandfather will get very 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.