初三10道关于被动语态的句子翻译

1 Keys are used for opening the door.
2 This book is written by Lu Xun.
3 My bike was stolen last night.
4 Knives are used for cutting.
5 Who invented the light bulb?（这个如何被动语态？）Who has got the light bulb invented?
6 Thousands of trees are planted.
7 This microwave oven is used for heating food.
8 Light is invented by Edison.
9 A new library has been built in our school.
10 Cotton is planted in China.

keys are opened to the door
This book is writeen by Lu Xun
My bike was stealed last night
Knives are used for cutting
This microwave oven is used for heating food
The light was invented by Edison
A new library has be built in our school
cotton is planted in china