Two lawyers have donated $ 50, 000 to _________ our school’s campaign “Help the Needy”, which was started by our former headmaster 10 years ago.
All these gifts must be mailed immediately_________ in time for Christmas.
The chairman thought______ necessary to invite Professor Smith to speak at the meeting.
Do you know the difficulty he had _______the work?
_________ get such a book?
______large number of people are out of work now and______ number of people out of work is still growing up.