After the funeral, Joe andBob revealed a secret which they had kept for over fifty years.

　　Eric had been the eldest son of the family, very much older than his two brothers. Hehad been obliged to join the army during the Second World War.

　　13. After the funeral, Joe and Bob revealed a secret which they had kept for over fiftyyears.

　　葬礼之后，乔和鲍勃透露了他们保守了长达50多年的秘密。

　　语言点:句子结构分析:which引导定语从句，说明是“何种秘密”。

　　14. Eric had been the eldest son of the family, very much older than his two brothers.

　　埃里克是这家长子。年龄比他两个弟弟大很多。

　　语言点:句子结构分析: very much older than his two brothers在句中充当比较状语。

　　15. He had been obliged to join the army during the Second World War.

　　第二次世界大战期间被迫参军。

　　语言点:句子结构分析: during the Second World War作时间状语，交代“在什么时候”。