21.
One can live and work in a town without being aware of the daily march of the sun across the sky without never seeing the moon and stars.

22.
From next term we will go all out for sports.

23.
If you had attended the meeting, you would have benefited a great deal.

24.
Not only did he critcise the party's policies but also the leader's personal matters.

25.
Though courageous, he could not hold up against the heavy odds.