We regret .....that flight number 338 will be delayed؟
إجابة الطالب المختصرة من خلال موقع بوابة الإجابات هي
d. to announce
The most appropriate word to fill the blank is **to inform you**.
So the sentence would be:
"We regret **to inform you** that flight number 338 will be delayed."
Here are a few other options that could work, though "to inform you" is the most common and professional:
* **to announce**
* **to advise you**
اذا كان لديك إجابة افضل او هناك خطأ في الإجابة علي سؤال We regret .....that flight number 338 will be delayed اترك تعليق فورآ.