I went to their office to find out what was going on.

I went to his office, and he let me in.

Sure, if he wants to know what is going on, we must go to his office to tell him.

They asked me if I had gone back to my office.

In the end he decided to go back to his office.

When they were gone, she turned to go back to her office.

I turned off the light and we went back to my office.

The best thing you can do is to say nothing and go back to my office.

You go back to your office and you'll find out.

Finally, she decided it was best to go to her office across town.