Peter:“What happened to them last night? They look depressed!” Mary:“______. ”Đoạn văn15/40Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges. Peter:“What happened to them last night? They look depressed!” Mary:“______. ” Nothing went wrong.Everything good. They received something.I don’t think anything happened. Giải thíchChọn đáp án D