题目

The government is going to orgainze more events to raise money for the charity later的被动语态
The students must finish all the exercises before school is over的被动语态
We can use a microphone to make our voice sound louder的被动语态
We should turn on the lights when the charity show starts的被动语态

提问时间：2021-03-01

答案

More events are going to be organized to raise money for the charity later by the government.All the exercises must be finished by the students before school is over.A micrphone can be used by us to m...