试题题干
He found it increasingly difficult to read, ( ) his eyesight was beginning to fail.
参考答案
正确答案:
试题解析
and表示并且;for表示因为;but表示但是;or表示或者。结合句意可以确定后面为原因,故选B。
句意:他发现阅读越来越困难,因为他的视力开始衰退。
He found it increasingly difficult to read, ( ) his eyesight was beginning to fail.
and表示并且;for表示因为;but表示但是;or表示或者。结合句意可以确定后面为原因,故选B。
句意:他发现阅读越来越困难,因为他的视力开始衰退。