Question

【题目】We will plant more trees so that we can make the air around us fresher.（改写同义句）
We will plant more trees the air around us fresher.

Answer 1

【答案】to；make
【解析】句意：为使我们周围的空气更新鲜，我们将种植更多的树木。so that后跟目的状语从句，动词不定式也可以作目的状语，结合句意，答案为to make。