_____ that he isn’t adequate to the present job, he devotes all his spare time t

题干

_____ that he isn’t adequate to the present job, he devotes all his spare time to studying professional knowledge.

A．Concern

B．To concern

C．Concerned

D．Concerning

上一题下一题 0.64难度单项选择更新时间:2011-11-03 11:32:23

小学学科试题库

初中学科试题库

高中学科试题库