我们年复一年地在缅因州租同一栋房子度假。

We rented the same house in Maine for our vacation ___year ___after ___year.

她日复一日地练习钢琴，直到掌握了这首曲子。

She practiced the piano, ___day ___after ___day, until she mastered the piece.

团队月复一月地努力工作，以完成项目。

The team worked hard, ___month ___after ___month, to complete the project.