— You seemed to be impressed by his words.—Not exactly so. It was his courage ___ his words that really impressed me.
There was a time _____ hunger was a disturbing problem in this area.
His _____ expression suggests that the news he read just now must be _____.
It is _____ that Professor Smith will give us a lecture tomorrow.
_______ his research, man can set foot on the moon now.
The rest of the apple _________.