Only as an interpreter how important it was to practise spoken English. A. when

 Only _____ as an interpreter _____ how important it was to practisespoken English.

A. when did I work…I realized                 B.when did I work…did I realize

C. when I work…did I realize                  D.when I worked…did I realize

试题答案

【答案】

D

【解析】

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