问题补充:
my grandfather grew older, he lost interest in everything except fishing.
A. While
B. When
C. As
D. Since
答案:
A. While
B. When
(答案→)C. As
D. Since
解析:考查连词:A. While当…时候(表示一段时间)B. When 当…时候(表示时间点)C. As随着(表示动作同时进行)D. Since自从,句意:随着爷爷年龄的增长,他对什么都失去了兴趣,除了钓鱼。选C。