51.  It is used to record the tickets which passengers buy and to record the date on which they will travel.

52.  It used to record the tickets which passengers buy.

53.  It is used to record the thickes which passengers by .

54.  And then with some neighbour were used the water to put out the fire.

55.  It s used to record the tickets which passengers buy, it also keeps a record of the date on which they will travel .

56.  They used a lot of water to put out the fire.

57.  first , the River Nile used to flood large areas at the same time every year and destroyed houses and crops.

58.  t is used to record the tickets which people buy.

59.  It is used to record the tickets which passengers buy.

60.  First, the River Nile used to flood large areas at the same time every year and destroyed houses and crops.