I reply to my friend that I can't go to the movie with him.

Please reply to me as soon as possible.

I was unsure how to reply to this question.

He did not even have the courtesy to reply to my fax.

He said in reply that the question was unfair.

She may be offended if you don't reply to her invitation.

希望这些例句能帮助你理解"reply to"的用法。