“I’m sorry I didn’t ring you earlier?”, Tom said to Bill9/20“I’m sorry I didn’t ring you earlier?”, Tom said to Bill.Tom regretted not ringing Bill earlier.Tom apologized for not ringing Bill earlier.Tom admitted not ringing Bill earlier.Tom was upset about not ringing Bill earlier.Giải thíchChọn đáp án B Giải thích : apologize to sb for Ving: xin lỗi ai vì làm gì