He studied hard and he passed the examination.
他学习努力并通过了考试。
He studied hard last term and, as a result, he passed the examination.
上学期他学习很用功，结果考试及格了。
He is said to have studied hard and passed the examination.
据说他学习一直很用功并通过了考试。
She passed the examination though she had not studied very hard.
她虽然不用功学习，考试却及格了。
She passed the examination though she had not studied very hard.
她虽然不用功学习，考试却及格了。
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