51.  The white board is made of iron.

52.  But one of them is used widely in any other city and few in Beijing.

53.  When the national flag wave in the country, the red sun is rising from the old east .

54.  The Park mended for Children's Day Children's Day is coming.

55.  People's park is being prepared for it.

56.  Its roof is being mended and its wall and its walls are being painted.

57.  Every friend is not traveling but go to the park with their parents.

58.  It is used to record the ticket which passenger buy.

59.  No body is hurt and killed.

60.  And one street which I usually pass to go to school is been repaired.