CHỌN ĐÁP ÁN ĐÚNG (ỨNG VỚI A, B, C HOẶC D )ĐỂ HOÀN THÀNH CÁC CÂU SAU
10. I wrote a letter of...to the manager about the service I had received.
A. complaint B. profide C. describing D. invitation
10. I wrote a letter of...to the manager about the service I had received.
A. complaint B. profide C. describing D. invitation