题目内容：

间接引语中,主句是一般现在时,从句到底要用什么时态?
我在新概念的书上看到
He says he didn't pass the exam.
He says he hasn't passed the exam.
意思是这两个都对?
如果是填空题He says he ________(pass) the exam.要填入什么才算正确答案?