一道英语句子翻译题

Question

In Fact，____ ____ ____ ____, _____ _____ ____ ____.(我们越努力工作就越感到高兴)

Answer 1

In Fact，the harder we work,the happier we are.(我们越努力工作就越感到高兴)
用的是the more……the more 的固定形式
（绝对正确，我一模一样做过，这是老师讲的答案）

Answer 2

hardly do we work,happy do we feel

Answer 3

the harder we work, the happier we are