mr johnson has been a teacher for twenty years保持基本句意不变mr johnson_a teacher twenty years_两个下划线是空多谢了

问题描述:

mr johnson has been a teacher for twenty years保持基本句意不变mr johnson_a teacher twenty years_两个下划线是空多谢了

mr johnson has been a teacher for twenty years保持基本句意不变Mr johnso [became ]a teacher twenty years[ago.]

祝你学习进步,更上一层楼! (*^__^*)
不明白的再问哟,请及时采纳,多谢!