Choose the best option: to + verb or verb-ing to complete the sentence.
I regret to inform || informing you that we are unable to save her.
Môn học
Chủ đề / Chương
Bài học
Chủ đề
Choose the best option: to + verb or verb-ing to complete the sentence.
I regret to inform || informing you that we are unable to save her.