将下列句子改为被动语态 1.They speak English as much as possible every day .
（A）将下列句子改为被动语态
1.They speak English as much as possible every day .
English （）（）as much as possible（）them every day .
2.Lucy watered those flowers last night .
Those flowers （）（）last night .
3.They should allow us to design our school uniforms .
We （）（）（）to design our school uniforms
4.When did he finish his homework
When（）his homework （）