将下列句子变为被动语态
问题描述：
将下列句子变为被动语态
He gave me a dictionary.
I made him do it again.
We will produce about 500 cars in hour factory next month.
We use this machine to keep the room warm.
We must take good care of young trees.
答
你好,很高兴能够在这里回答你的问题, 填写I was given a dictionary by him..He was made to do it again by me..About 500 cars will be producedin our factoryby us next month.This machine is used to keep...