It is...that...与It is...since...的理解与翻译

1.What was the party like?
Wonderful. Its years ______ I enjoyed myself so much.
A. when B. since
选对了B，但不知道这个句子。句子如何翻译？这是什么从句？
2. It is because he is kind and modest _______ he wins the respect of others.
A. which B. that
看不出是什么从句，如何翻译？感谢老师指点。

1. What was the party like? = How was the party? 聚会如何？
Wonderful. Its years since I enjoyed myself so much. 好极了。我已经多年没这么开心了。（Its + 一段时间 + since... 意思是自从......以来，已经有多长时间了，since 引导时间状语从句。）
2. It is because he is kind and modest that he wins the respect of others.
这是含有 It is...that... 强调结构的句子，被强调的是缘由状语从句 because he is kind and modest，全句的意思是：是由于他友善和诚实，他取得了其他人的尊敬。