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改错（满分10分，每题1分）
Most families in China hoped their single children will            76. _______
have a happy future, so they are very strict in their children.  77. _______
So do teachers in schools! Many children are given so much        78. _______
homework that they hardly have any spare time have sports.        79. _______
The children are forbidden to do anything but to study. No          80. _______
wonder so many children are tired of lessons. Some even           81. _______
attack or kill his parents and teachers! I believe many people 82. _______
already read this kind of news in newspapers or magazines.         83. _______
Shouldn’t we draw lesson from the accidents? Now our            84. _______
government are carrying out a plan to solve the education problems. 85. _______