D
第一空考查词义辨析：keep保持，protect 保护，save 节省，preserve保留，保存，第二空是形容词：present现在的， existing现存的，句意是：我们应该鼓励种植小树和保护现存的树林。选D。
We should encourage the planting of new trees and ______our_
1个回答
相关问题
-
we should plant more trees ,and..then the
-
Our plan is to plant 50 trees. And we have planted half of t
-
We were greatly encourage by the news of our team（ ）another
-
We were greatly encouraged by the news of our team ____ anot
-
We were greatly encourage by the news of our team（ ）another
-
We were greatly encouraged by the news of our team__anther g
-
We 're planted ____trees in the centre of our city this year
-
Why should we plant trees?
-
1.We should plant some trees around our school.(改为被动语态)
-
The ____(many) trees we plant ,the ___(green) our world will