the teacher did what she could ----that children a.to help b.helping c.helped d.helps
问题描述：
the teacher did what she could ----that children a.to help b.helping c.helped d.helps
答
答案：A
解释：这里用动词不定式结构作目的状语.
句意：这位老师尽其所能来帮助那些孩子.
祝您学习进步,更上一层楼!(*^__^*)……