41.
You are warned against committing the same mistake again.

42.
No sooner he had returned home then his mother felt happy.

43.
He should move on to the next point, and not harp one sting only.

45.
I hope you vividly remember the premier of the film when I, my wife and you were present in the hall.

46.
To get one's name in the Rowland Ward's book of hunting records was the hot ambition of every serious hunter.

47.
Taxpayers are to be conscious of their privileges.

48.
As she was suffering from high fever, she could not face the examination.

49.
The demonstration passed off peacefully.

50.
Every time I go in a lift to my sixth floor apartment, I remember the calm and serenity of my ancestral home in the village.