______ expense, we must take every measure to save the old man’s life.
In the reading room, we found her seated at a desk, her attention ____ on a novel.
---I don't suppose the police know who did it. ---Well, surprisingly they do. A man has been arrested and ____ now.
________ at the cafeteria before, Tina didn’t want to eat there again.
There are varieties of programs in the TV station to ________ many different types of interests and tastes among the public.
Was it at the aid battle on June 8,1994, ______ was led by Captain Johnson ____ Peter lost his life?