471.Your prompt and favorable attention to my inquiry would be highly appreciated.
如果您能尽快回复我的咨询，我将万分感激。

六级词汇讲解:

本句是典型的询问信件的结尾句。其中，prompt意为“迅速的”。如：
He is always prompt in answering letters.
他总是迅速地回复来信。

inquiry意为“询问；调查”。如：
They've promised a thorough inquiry into the plane crash.
他们答应对这次飞机失事进行彻底调查。

本句也可以拆分成一个复杂句。如：
If you pay favorable attention to my inquiry promptly,I will be very grateful.

句型拓展

Please render me some valuable advice which is conducive to my final decision.
请给我提供一些宝贵意见，帮助我作最后决定。

I am looking forward to afavorable reply at your earliest convenience.
期待您尽早回信。

I would be much obliged to you if you could let me know the procedures I have to go through.
如果您能告诉我所需的程序，我将十分感激。