What the expert has said and done will be to the department manager.
A. value
B. benefit
C. of valuable
D. of benefit
网友回答
A. value
B. benefit
C. of valuable
(答案→)D. of benefit
解析：考查固定用法。value 价值，价格；benefit利益，好处。句意：专家说的和做的要对部门经理有利。 Of +名词=该名词转换的形容词；of benefit=beneficial有益的；故选D。