Составьте специальный во к слову a letter в предложении; He had already sent a letter to his friend

Question

Английский язык: Составьте специальный во к слову a letter в предложении; He had already sent a letter to his friend

NikaHikikomori · Answer

What he had already sent to his friend?...

Составьте специальный во к слову "a letter" в предложении;

He had already sent a letter to his friend