He found it difficult to read, ________ he had a problem with his eyesight.A．but_刷题宝

题干

He found it difficult to read, ________ he had a problem with his eyesight.

A．but

B．for

C．or

D．so

上一题下一题 0.64难度单项选择更新时间:2016-11-22 04:37:18

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