affirmatively例句

"Is that clear?" Bob nodded his head affirmatively.
“清楚了吗?”鲍勃肯定地点点头。

The teacher responded affirmatively to the question that student put forward.
老师对那个学生的问题作了肯定的回答.

I cannot affirmatively tell you when I'll come back.
我不能肯定地告诉你我什么时候来.