用被动语态完成句子
问题描述：
用被动语态完成句子
1.Chinese made paper first in the world.
Paper-first--Chinese in the world.
2.When we cook,wo use pan.
Pan -cooking by us.
3.They often ask me to do this work.
I-often-this work.
4.What do you usually use this machine for?
What-usually-?
5.Water covers about three quarters of the earth--water.
第5句题目有错误
是：Water covers about three quarters of the earth.
改为
About three quarters of the earth--water.
答
1)papar was first made by Chinese in the world
2)pan is used for cooking by us
3)i am often asked to do this work
4)what is this machine usually used for?
5)earth is covered about three quarters by water