________ is know to us all is that the old worker, for _______ life was hard in the past, still works hard in his seventies.
The prize of the game show is $30,000 and an all expenses ____ vacation to China.
The woman ____ herself a writer has never written any books.
___ the room, the nurse found the tape-recorder ___.
____ I understood very little French, I couldn’t follow their conversation.
____ to light for a long time, the potatoes turned green.