他在合适的时候学习了合适的课程，参加了合适的研讨会，通过了最终的考试，成功地获得了合适的学位。
He had taken the right classes and seminars at the right time and had passed his final exams with the right degree of success.
他几次努力想通过考试，最后终于成功了。
He tried several times to pass the exam, and in the end he succeeded.
没有人相信他会通过考试但他成功了。
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