that is it in a sentence

Examples

1. I stated that I knew Al Gore and that is it.
2. We lost our ninth straight game and that is it ".
3. That is its own problem, it renders the threat invalid.
4. The reason I know that is it's happened ."
5. Russia is always up to something troubling; that is its destiny.
6. If Atlanta has a song, that is its refrain.
7. The only problem with that is it's not exactly true.
8. If his comeback can represent anything, then that is it .'
9. All I can tell you about that is it worked for me.
10. Its appeal is insidious, and that is its danger.