--- It’s getting late. I’m afraid I must be going now. --- OK. ___________.
_____ has been introduced to the students to help them make progress.
All the money I_________by the time I arrived home.
He must have known the truth yesterday, _________?
To our great surprise, we got _____ people to attend the conference as we expected.
_____ all our efforts to save the school, the authorities decided to close it.