51.  An old building's roof is being mended and the walls are being painted.

52.  Trees and flowers are being watered.

53.  Some small trees are being planted.

54.  The streets are long and wide, many cars and buses are driven on them .

55.  Trees not far from the house are being watered and planted.

56.  Two boats on he bank of the lake are being mended by two people who wear hats.

57.  How are your plants getting on?

58.  At night, people are singing and dancing in the open air, the Children carry lanterns around the street, it is very happy .

59.  The flowers and the trees are being watered.

60.  And some more trees are being planted.