--Monitor? --- I’m not monitor of our class. I __ with the teacher until the monitor is elected.
Before you decide to leave your job, _______ the effect it will have on your family.
The research is so designed that once _______ nothing can be done to change it.
I felt it a great honour ______ to speak to you.
“What do you think made Mary so upset?” “_______ her new bike.”
When you’re learning to drive, _______ a good teacher makes a big difference.