A diligent scholar, she devoted herself ________to the completion of the book.
句意:她是一位勤奋的学者,她勤勉地进行了完成这本书的工作。assiduously刻苦地,勤勉地。 Ingenuously率直地,正直地。voluminously庞大地;很多地。sporadically零星地,偶发地。