Question

9. There was nothing to        the connection between the two men.

   A. do away with   B. look out for

   C. live up to   D. throw light on

Answer 1

9. D句意为："没有什么东西能使人了解这两人之间的关系。"throw light on的字面意思是"将光线投到……"，引申为"解释，说明，提供线索"的意思，符合语境。