The lieutenant later realized his mistake and wrote a letter apologizing for his behavior.

He sent the letters to Reed and wrote an accompanying letter apologizing for the mistake.

From Switzerland, he wrote letters apologizing for being too ill to amuse her.

Sean wrote a long letter apologizing to Anna, wondering why he had the delusion of being her husband.

They also sent a letter apologizing to the girl's family.

Following this, Anselmo released an open letter apologizing for any offense that he may have caused during this speech.

He sent Fronto a letter apologizing for his silence.

Way better than an impersonal letter apologizing for mishandling a computer that was sent in for repair, no?

Beria felt compelled to send a series of letters apologizing to Ordzhonikidze, his patron.

The bank finally sent a letter apologizing for the inconvenience; naturally, it was sent to his old address.