51.
A great deal of human invention since the last 300 years has been directed to taming the power hidden in nature, and to channeling it into steady sources of energy that can drive machines.

52.
It shall depend on they finishing on time.

53.
I am definitely late; the train will have left the station by the time I reach there.

54.
Never has the inadequacy of police been in clearer focus than in the communal violence that flared up recently.

55.
Many a man have died of cancer.

56.
Sensing that the contest would be very tough, she decided to stand down.

57.
Kalidas is the greatest of all other dramatist.

58.
Rajni unnecessarily picked up a quarrel with Kashish and left the party hurriedly.

59.
The unemployment rate has dropped sharply this month, though it may only be temporary.

60.
Shilpa was going to the temple then Parul came on meet her.