"You should study harder, Jack," said the teacher. A. The teacher prevented Jack from studying harder. B. The teacher expected Jack study harder. C. The teacher warned Jack against studying hĐoạn văn45/50"You should study harder, Jack," said the teacher. The teacher prevented Jack from studying harder. The teacher expected Jack study harder. The teacher warned Jack against studying harder. The teacher advised Jack to study harder.Giải thíchChọn đáp án D