,to这样可以吗(标点后接to）The retired man donated most of his savings to the school damaged by the
问题描述：
,to这样可以吗(标点后接to）The retired man donated most of his savings to the school damaged by the
earthquake in Yushu,______the students to return to their classroom
A.enabling B.having enabled C.to enable D.to have enabled
求搭救
答
能呀,表目的用to么有题目，求解答A.enabling为什么表示他在捐献后的结果BCD都可以表示结果B的时态错了，而且英文注重形合，就是结构，如果选C，to do 往往表示趋向，这个动作还未发生，而原句中用的是donated（过去式），证明 donate 和enable基本上是同时发生的，满足这个条件的只能选A，doing 做伴随状语。那Dina， ______for months to find a job as a waitress,finally took a position at a local advertising agency.(struggle) 这个是要选having struggled吗？是的，Dina 跟struggle是主动关系，而且动作发生在took a position之前 ,用完成式