3.Thank you for your prompt reply.

感谢您的及时回复。

Thank you for your prompt reply. I will visit you at your office this Friday at 2 p.m. Thank you.

感谢您及时回复。我将于本周五下午两点去您的办公室拜访您。谢谢。

4.I appreciate you taking the time to write us.

非常感谢您抽空给我们回信。

Thank you for taking the time to e-mail me.

感谢您抽空给我们写回信。

I appreciate you taking the time to reply to my request.

非常感谢您应我的要求抽空回复我。