The teacher spoke loudly in order to be heard by his students.用so that 改写句子
问题描述：
The teacher spoke loudly in order to be heard by his students.用so that 改写句子
答
同意第一和第三位
答
The teacher spoke loudly so that he could be heard by his students
答
The teacher spoke loudly so that he could be heard by his students.
答
The teacher spoke loudly so that it would be heard by students.
it（指代老师的话）