He found it increasingly difficult; _____his eyesight was beginning to fail. A. though B. for C. bu...
2023-02-15 08:01:10 48次 2008年高考试题（山东卷）解析版 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
He found it increasingly difficult;
_____his eyesight was beginning to fail.
A. though B.
for C. but D.
so
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