题目内容
_____ 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 |
C
解析
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题目内容
_____ 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 |
C
解析