People usuaiiy piant trees in spring every year怎样改为被动语态
问题补充:怎样改为被动语态
最佳回答:
Trees are planted by people in spring every year.
其他回答:
The trees was usuaiiy pianted in spring every year
仅供参考
Usuaiiy the trees was pianted in spring every year
People piant trees in spring every year