How to Use "fro" with Example Sentences

1. We sit in front of our computers and have vehicles transport us to and fro .
2. These submarines are often called " black holes " fro their ability to disappear fast .
3. And so the e-mails bat to and fro , until finally the dates are agreed .
4. The book of daniel states that in the last days people will be moving to and fro throughout the earth .
5. This bats to and fro and eventually gets signed by both and then is filed away in a drawer and usually forgotten about .