51.  How can we deal with the problem?

52.  How can we deal with this problem?

53.  How should we do in dealing with the water-lack ?

54.  what shall we do to deal with it?

55.  So we must take steps to deal with the problem--global shortage of fresh water.

56.  But how should we deal with it?

57.  To deal with shortage of water we should make workable solutions.

58.  How to deal with the shortage of water?

59.  Then what can we do to deal with it ?

60.  I believe I can deal with the connection .