.In 1942,Columbus and his crew arrived ____was then called the New World by the westerners.
When the woman found her borrowed valuable necklace (项链) ______, she felt______ the world was at an end.
______ he has made a decision, it is not easy for you to make him change his mind.
I ______ walking in the garden ______ watching TV in the room.
The old man was the only person on the spot(现场), so the policeman asked him to _____ the facts as he remembered them.
Eric had received training in computer for one year _______ he found a job in a big company.