In the dining room of my grandfather's house stood his heavy clock. Meals in the dining room were a 【A1】 for our four generations to become one. My grandfather's clock always stood like a trusted old family friend, 【A2】 us playing jokes and telling stories, which was already a 【A3】 of our life.
When I was a child, the old clock interested me. I watched and listened to it during 【A4】. I was surprised how at 【A5】times of the day, the clock would strike three times, six times or more, with a wonderful great 【A6】 that echoed throughout the house. The clock chimed year after year, a part of my 【A7】, a part of my heart.
Even more 【A8】 to me was my grandfather's special action each day. He meticulously 【A9】 the clock with a special key each day. The key was magic to me. It 【A10】 our family's magnificent clock ticking and striking all year round.
【A1】
a time意为“一段时光”，become one意为“成为一体，聚集一堂”。
【A2】
该句使用拟人手法，把闹钟比作朋友，watch表示动作，指“观看，留意看运动着的东西”;see强调看的结果，无进行时态;look后不能直接跟宾语，需要加介词。这里用动词的现在分词形式表示伴随。故此处选择C项最为恰当。
【A3】
指上文提到的事已经成为我们生活的一部分，A、C、D与文意不符。
【A4】
根据上一段内容及生活常识可知，当我们在听故事或开玩笑的时候很难留意到其他事物，只有在吃饭的时候才会注意到the old clock.故D项最为恰当。
【A5】
根据下文和生活中有关闹钟的常识判断，应该是在一天中的不同时间，闹钟敲响不同的次数。
【A6】
该部分意为：闹钟发出的奇妙宏大的声音(sound)在满屋子里回荡。
【A7】
该句句意为：闹钟年复一年地打点报时，留在我的记忆里，也留在我的心里。根据后文的a part of my heart容易排除掉B、C、D项。
【A8】
根据上下文，对我来说，更精彩的是爷爷每天的特殊动作。
【A9】
wind the clock，动词wind在这里意为“(给闹钟)上发条”。wound是wind的过去式。
【A10】
该句句意为：它(这个钥匙)能保证我们家的神奇的闹钟一年到头滴答作响和打点报时。made：使得;controlled：控制;kept：保持;fixed：修理。C项最为恰当。