If he continues to ignore his disease, one day he'll reach the point __________ he can't walk by himself.
So difficult ______ it to work with him in the same company that I determined to find another job.
Only when you have finished your homework ______ go home.
It was in the street ______ I live that I met Mr. Green.
Was it in this hospital _______ she lived for ten years ______ she was trained to be a real nurse.
It was only when the war broke out ______ he began to realize everything was too late.