21.
Twenty people were killed as the boat overturned in the storm.

22.
A feeling of brotherhood should be nurtured in the masses.

23.
The small boy was able to give a graphic description of the thief.

24.
The opposition made a strident demand for putting the bill to vote.

25.
Both young sleuths felt sure there was a link between the two.

26.
The speech he made on the occasion was quite exhilarating.

27.
He is a disinterested investigator.

28.
We should always try to maintain and promote communal amity.

29.
Fed up of social atrocities, she finally decided to lead a sequestered life.

30.
He adopted quite a diffident stand when it was a matter of son's career.