2. 职称英语
  3. He found it increasingly difficult to read, ______ his eyesight was beginning to

He found it increasingly difficult to read, ______ his eyesight was beginning to

游客2025-03-14  52
问题 He found it increasingly difficult to read, ______ his eyesight was beginning to fail.
选项 A、and
B、for
C、but
D、or
答案 B
解析 for是并列连词，引导并列分句，意为“因为”，表示附加的理由，是推测或判断的理由。and表示两句之间是并列关系。but意为“但，但是，可是，然而”，表示两个句子是转折关系。or表示两句之间是选择关系。
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