68.C 69. F 70.D 71.B
1.concentration 2.identity 3.effective 4.access
5.confusing 6.prosperous 7.reflects 8.civilization
1.Nowadays,everyone has the equal access to education.
2. I have difficulties,she can allways give me a hand on her own.
3.He didn't go to school yesterday,what happended to him?
4.A thief was hit by the heavy statue ,but he was too busy helping himself to diamonds to notice any pains.
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