21.
Please make it a point to send you letter at my address.

22.
If you are living near a market place you should be ready to bear the disturbances caused by traffic.

23.
I hope you won't object to me watching while you work.

25.
You have come here with a view to insult me.

26.
20 kms are not a great distance in these days of fast moving vehicles.

27.
The more they earn, more they spend.

28.
It became clear that the strangers were heading into a serious disaster.

29.
The dissidents hold a great problem in every political party.

30.
I would have waited for you at the station if I knew that you would come.