The system of Braille is really _____________ to the blind. A. of great useful B. great useful C. gr...
2022-11-17 07:33:35 75次 2016届湖南省高一下学期第一次阶段性测试英语卷(解析版) 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容:
The system of Braille is really _____________ to the blind.
A. of great useful B. great useful C. great use D. of great use
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