我们修好之后，发动机又开始正常工作了。

The engine started to ___go again after we fixed it.

新软件终于开始正常运转了。

The new software is finally starting to ___go.

一旦我们更换电池，这个旧钟表应该能正常运转好几年。

Once we replace the battery, the old clock should ___go for years.