I'm writing in reply to your question on how to learn English.(我寫這封信是為了回答你關于如何學習英語的問題的。)

I have nothing to say in reply to your question.(對于你的問題，我沒有什么好回答的。)

What did he do in reply to your challenge?(他被難住了，找不出話來回答。)

In August this year, at the XVI International AIDS Conference, 30 000 of us came together in Toronto in reply to the Conference's call to action.(在今年八月第十六屆國際艾滋病會議上，我們有30000人應會議行動呼吁的要求匯集在多倫多。)

We received an avalanche of letters in reply to our advertisement.(我們在登出廣告后收到了雪片般飛來的大批答復信件。)

In reply to my next question, I gathered that there was no inn within five miles.(作為對我的下一個問題的回答，我猜想在五英里之內也沒有什么客棧可住。)

He said nothing in reply to my inquires.(他沒有答復我的詢問。)

What did you say in reply to her request?(在答復她的請求時你是怎么說的？)

In reply to your inquiry, we have sent you our latest price list.(為答復你方的詢價，我們寄去了最新的價格單。)

They often use the form of blog to write some short informal essays on hot topic, in reply to the Internet users, or clarify something.(他們往往用博客的形式，就一時熱點問題，寫一些非正式的，比較短的文章，或答網民問，或及時澄清一些問題等。)