They will plant trees on the hill next week.(改为被动语态)
Trees will be planted on the hill by them next week.
下周树要被他们栽到山上.
将来的被动,will be+过去分词.
They will plant trees on the hill next week.(改为被动语态)
Trees will be planted on the hill by them next week.
下周树要被他们栽到山上.
将来的被动,will be+过去分词.