Many people like reading newspapers ______ they can learn what’s happening in the world.

be worried about his safety．______, he is aneighteen-year-old young man.

His doctor had advised him ___________ smoke, and later his mother made him ________ buying more cigarettes.

John opened the door. There _______ he had never seen before. [ ]

Billy Crystal hosted the Academy Awards again this year, and his performances always ________ the expectations of most audience.