英语翻译before I could take a seat at my desk for my morning dut

I had to remove one student from each arm before I could take a seat at my desk for my morning duties.

（教室里挤满了学生,老师的我）不得不移开一个个学生的胳膊,走到我的教课桌坐下上早课.

在我坐在桌子旁上早课之前，不得不从两侧各移开一个学生才能坐下。

俺不得不推开两边的同学，才能安然地坐到俺的座位上开始早自习了哈。

我不得不推开两边的同学，才走到我的讲台前开始上早课。