By the time he realizes he __________ into a trap, it'll be too late for him to do anything about it.
It was not until Susan came back ______her close friends were waiting for him.
Soon Amy made several good friends, _____ she shared food, stories and small secrets.
Mr. Black told us that he ______ born on the April fools.
What is your opinion on Miss Liu’s request that we______spend half an hour reading English aloud every morning?
Because the lights happened to ______, no one noticed the thief enter our bedroom.