我们不得不从头再来。

We had to begin ___all ___over ___again from scratch.

停电之后，我不得不从头开始我的日常事务。

After the power outage, I had to restart my routine ___all ___over ___again.

我的电脑崩溃了，文档也丢了，所以我得再写一遍。

My computer crashed and I lost the document, so I had to write it ___all ___over ___again.