我发现我姐姐昨天查看了我的东西, 我爸爸昨饭后习惯散步.这几句话怎么翻译?

I found that my sister had checked my things yesterday.
My father used to have a walk after dinner.
再问： 使她惊奇的是，他们都同意开聚会。这句翻译是？
再答： What surprised her is that all of them agreed to hold a party.