47. My grandfather ……… sleeps more than an hour a night.
A. hardly never B. has ever C. is always D. hardly ever
48. Not only ……… had profits, but it also had to lay off workers.
A. did the company lose B. the company lose C. had the company lose D. lost
the company
49.……… so many people been out of work as today.
A. In the past, there never have B. Never before have
C. More than ever before D. Formerly, there never were
50. It was only then ……… how much I owed to her.
A. had I realize B. that I realized C. did I realize D. I did realize