_______protect our environment,we plant trees and ________th
_______protect our environment,we plant trees and ________th
The more trees we plant,the______(good)our environment is.
We plant trees to protect our environment(保持原句意思)
We plant trees every year to protect our environment 改成被动语态
We will plant more trees so that improve our environment 的同义
----more trees we plant,----better environment there will be
We should protect our environment ___________care of trees.
More trees and ______ will make our environment better
we must plant more trees to ____ our planet greener.
we plant trees every
we should plant more trees ,and..then the
every year we plant -------- trees