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

72.  At half past ten, suddenly two men with the right cards came for the professor's invention.

73.  After some time, Miss Green, the pofessor's secretary found that the two men were not the right men while two policemen came.

74.  After that, the professor Decided to take the right papers to London himself.

75.  He found those foolish people were always sure that they were right and they often said very interesting things.

76.  How right it is!

77.  Not only in the study of English, in many other aspects, the proverb proves quite right, it is the same when we learn our mother language and it is the same when we learn to draw a picture, we must practise .

78.  " You Maybe right, but not all .

79.  Do you think it right?

80.  It is very right to say "Practice makes perfect".