______ (finish) the exercise book, the writer tried to find a publisher.Having f

游客2023-09-27 54

问题 ______ (finish) the exercise book, the writer tried to find a publisher.

选项

答案 Having finished

解析 finish的动作发生在try之前，故用现在分词的完成式，其逻辑主语是the writer表示主动。

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