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Once a reporter receives his assignment from the chief-editor, he has to on his

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Once a reporter receives his assignment from the chief-editor, he has to on his

Once a reporter receives his assignment from the chief-editor, he has to ______ on his work and tries his best to work on it until the chief-editor ______ it.

A. fix his attention; approves  B. focus; proves of

C. concentrate; approves of D. get down; approves

 

试题答案

C