51.  Her friend told her that necklace wasn't a real diamond necklace.

52.  In that week all of us were very tired.

53.  But that week had gone .

54.  That day was Labour Day.

55.  But in any case it made us had a happy night that night.

56.  Though my head teacher had gave me some advices ,I feel I sang in the finals not better than in the preliminary, perhaps I felt critical in that time .

57.  People was very critical at that time and points rose one after another.

58.  I didn't study myself the night before last in school, though I had reached our classroom that night.

59.  But at that time, I am very afraid.

60.  Professor Hunter was very excited that morning because he had just finished the papers of his invention.