They climb trees better than leopards. They are climbing trees错了.应该用一般现在时.

题目

They climb trees better than leopards. They are climbing trees错了.应该用一般现在时.
怎么改

答案

They climb trees better than leopards.——他们爬树比美洲豹还要好.
They are climbing trees——他们正在爬树 是现在进行时 如果改成是一般现在时就应该是They climb trees.