The teacher said to his students,''Tell briefly in your own words how penicillin was discovered.为什么The teacher这句改为直接引语后was会变成had been变成had

want the words which said to teacher to The teacher then turned to the class and said The teacher said to us ,The earth goes around the sun.改间接引语 Don`t smoke in the library, the teacher said to the man改为间接引语 “Don't draw on the wall.the teacher said to the boy .改为同义句 “Don't draw on the wall.the teacher said to the boy . 改为同义句 The teacher said to us,''Don't listen to music in class.''英文翻译 The teacher said to us,“Don't listen to music in class改为间接引语 6 The teacher said to his student：“Come up to my office!”间接引语复述 The.teacher.said.to his student:“Come.up.to.my.office!改为间接引语 come to school earlier tomorrow .the teacher said to jim 改为间接引语 Don't be late again the teacher said to me.改为同义句改为The teacher asked me ( ) ( ) ( ) ( ) again. 同一句转换1.The teacher said to us:Spring comes after winter.-The teacher()()()spring ()winter Please come here again tomorrow ,the teacher said to the student.改为间接引语? The teacher said to the students,Don't make any noise.同义句 The teacher said to the students,“Open your books,please”改写句子 The teacher said to her mother,Please give me the book.转变成直接引语快 the teacher said to her studentpluase give me the book 间接引语咋做