he gave his life to helping the Chinese people 为什么to后面用helping?RT~是英语课本上的一句话
问题描述：
he gave his life to helping the Chinese people 为什么to后面用helping?
RT~是英语课本上的一句话
答
to 在这里是介词不是动词不定式
答
to在这用做介词,类似的有look forward to 、devote to、
答
此时的to是介词
give his life to doing= devote to doing