treesl provide us with things like___andtrees help us fight_trees are in____

分类: 作业答案 • 2021-12-19 20:00:15

问题描述：

treesl provide us with things like_____andtrees help us fight_____trees are in______
我是好学者

答

fresh air/oxygen;
pollution;
need
答案其实可以多种多样的,以上只算其中一种填法吧

treesl provide us with things like_____andtrees help us fight_____trees are in______