这道题目有好几种翻译,可以是
He doesn't have to answer this question.
He doesn't need to answer this question.
He needn't answer this question.
若理解请采纳.
这道题目有好几种翻译,可以是
He doesn't have to answer this question.
He doesn't need to answer this question.
He needn't answer this question.
若理解请采纳.