81.  Through this, I can exercise myself.

82.  Travelling is essential, we can make our life colourful through this way.

83.  The sun shine brightly through the window.

84.  Through reading a whole book, one can memorize not only the relevant words but also the right usage of them.

85.  Being attracted to the stories in the book makes one stick to reading through it.

86.  In the contemporary society, English is increasingly fights its way through China students.

87.  Thus, if we don't breach the boundaries among groups and races, the residue of these fallacies continues to color the lenses through which we see, value, and behave toward one another.

88.  However, we see that each group is not separable from the human whole, but a living member of it, deriving itself from the whole through social and hereditary transmission as truly as if men were literally one body.

89.  We all know that blacks sacrificed a lot through the period of pursuing equality and earning respect from the United States society.

90.  And through the example we can see that the process is filled with difficulties and even injury and death.