The boy didn't come to ________ life and the method to start his breathing ended up as ________ failure.
John opened the door. There_______ he had never seen before.
_______over everything whenever we want to make a decision, many people believe, and we will have less chance of making mistakes.
—Do you know _______ they got to know each other? —It was last year_______ they both taught Chinese in Scotland.
At the meeting they discussed three different ________to the study of math.
It seemed only seconds ________ the boy finished washing his face.