将下列句子改为被动语态（英语）将下列句子改为被动语态：1.We found some jewels in a box.2

1.The jewels in a box has been found by us.
2.The light bulb was invented by Thomas Edison.
3.Stamps are used by people for sending letters.
4.Rice are grown by farmers in the South of China.
5.A new dictionary was given by him this morning.
6.The stone wasn't thrown by the boy just now.
7.The machine was not operated by him.
无错误

1. The jewels in a box has been found by us.
2. The light bulb was invented by Thomas Edison.
3. Stamps are used by people for sending letters.
4. Rice are grown by farmers in the South...

1.We found some jewels in a box.
被动：Some jewels was found in a box (by us).
2.Thomas Edison invented the light bulb.
被动：The light bulb was invented (by Thomas Edison).
3.People use s...