He insisted the person referred ______ put into prison at once.
The problem was so __________ that such a little boy can't solve it.
When such an organised group became too large for its members to travel together comfortably, it would __________.
My junior middle school teacher had a great influence __________ my career.
I don't mind her criticizing me, but __________ is how she does it that I object to.
That was really a splendid evening. It's years __________ I enjoyed myself so much.