51.  People can only grow crops in the forest for one or two years.

52.  One candle likes very small and ordinary.

53.  At that time, the elephant played with one football, using its long nose.

54.  One man came near the elephant.

55.  Very much as many boys liked it, our class football team was not the best one in four classes.

56.  This Monday, our head teacher announced that one electioneering about class cadres would be held next week.

57.  Last term, Chen ever told me such a thing: The grade master had a talk with him for one sentence on the blackboard newspaper.

58.  First, on one Tuesday evening, some classmates even played basketball on the playground till half past nine.

59.  I told him, only, one word, "practise".

60.  However, practice is bound to be very dull, because you have to repeat only one action for a long time so that you can do it very well.