William found it increasingly difficult to read for his eyesight was beginning toA. disap

问题补充：

William found it increasingly difficult to read，for his eyesight was beginning to．

A. disappear

B. fall

C. fail

D. damage

答案：

A. disappear

B. fall

(答案→)C. fail

D. damage

解析：词义辨析。A消失；B落下;跌倒；C失败，不及格，(指健康)衰退;变弱;消失；D破坏；句意：威廉发现阅读越来越困难，因为他的视力开始衰退。