before

He changed his name,　　　　that nobody would find out what he had done before.

— Must I be home before seven? — ___________________.

________ that knife before you hurt somebody!

Mr. John promised to look ________ Sandra’s paper, that is, to read it carefully before the defense

Don’t forget____ the door before you leave

We need to ____ that argument before we close the meeting.

__________ since the night before, I felt very hungry.

— Must I be home before seven? — ___________________.

________ that knife before you hurt somebody!

We need to ____ that argument before we close the meeting.