将下列句子改为被动语态：1.They teach English in their school English（）（）in their school
将下列句子改为被动语态：
1.They teach English in their school
English（）（）in their school
2.We plant trees around school every March
Trees（）（）around our school every March
3.He doesn’t finish his work on time
His work（）（）on time
4.Do they speak Chinese every day ?
（）Chinese（） every day ?
5.Where do they make these bikes ?
Where （）these bikes（）?