”为了让人们听到他说话,教授提高了声音” 用英语怎么说

问题描述:

”为了让人们听到他说话,教授提高了声音” 用英语怎么说

The professor raised his voice, in order to make him heard.

The professor raised his voice to make him heard.

the professor spoke louder, so everyone can hear him.

Professor raised his voice so as to be heard by everybody.

In order to make himself heard,the professor raised his voice.