题目

you should take care not to damage the instruments怎么改成被动语态
1.you should take care not to damage the instruments
2.Closed circuit cameras are monitoring this area

提问时间：2020-07-26

答案

为你解答.
1、You should take care not to damage the instruments.
The instruments should be taken care not to be damaged.
（这些仪器要小心保管,别损坏了.）
2、Closed circuit cameras are monitoring this area.
This area is being monitoring by closed circuit cameras.
（这个地区正在被闭路摄像头监控.）