We ______ ; we followed the boss into the hall as his guests. How lucky we were!
The scientist has made quite a few discoveries, ______ of great importance to the whole world.
What was the critic's ______ to the novel?
She will have to find somewhere else to work, for she can't ______ this loud noise any longer.
This house will probably come on the ______ next month.
They have considered their high standard of living a(n) ______ for practicing their basic beliefs.