We drop off our luggage in a small prefab hut and promptly start preparations.

Quick, let's get started on the project proposal while the idea is still fresh in our minds. There's no time like the present.

I will set about my task at once.

This problem demands immediate attention.

If it were not for this defect, I should hire him at once.

When preparations are completed, it will be carried out at once.

A beta version has been released, so I'll try it right away.

A contradiction has immediately appeared.