英语.急.该改被动语态we should plant many trees on the mountains.paren

英语.急.该改被动语态we should plant many trees on the mountains.paren 英语该改被动语态we should plant many trees on the mountains.parents We should plant trees in spring.改成被动语态怎样改? 英语被动语态转换快1)We should plant trees in spring.(改为被动语态）Trees in We planted many trees on the hill变成被动语态 改为被动语态和同义句They plant many trees on the hill every spring.Man in spring,people plant many trees on the hill变被动语态 改被动语态 '1.We plant trees every spring.2.They took the boy to we will plant many trees next year (变被动语态）many trees ( )( )( We should piant trees in spring.改被动语态? 1.Many _______ trees should be planted on the mountains. Many ____ trees should be planted on the mountains.