I apologize for not getting back to you sooner,...

Here are my suggestions:

..., but, regrettably, I have yet to fulfill my promise.

..., but, regrettably, I have yet to keep my word.

photography masterpiece(s)

所有跟帖: 

非常感謝!這是我想學的!:) -beautifulwind- 給 beautifulwind 發送悄悄話 beautifulwind 的博客首頁 (0 bytes) () 05/08/2021 postreply 15:11:33

請您先登陸,再發跟帖!