61.  At the first day .

62.  At the first crossing, you should turn right and go down.

63.  It is the first exam when we are in Gread Two.

64.  In 1946, an american professor whose name was John W. Mauchly invented the first computer.

65.  today, many families have a computer, and new computer is more smaller than the first one.

66.  This week we had gone all out to practise dancing that was my first dancing.

67.  The first day of the year, almost people go to temples .

68.  Last week we had had the first English exam in this term.

69.  But after a lot of times, I think almost everyone can do it better than he do in first time.

70.  If a person want to improve English, the first step to master many words .