—Why didn't she ask for help at that time?—You know, at such midnight, there was no one __________.
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.
Your handwriting is all right, _______, you can do it better in my opinion.