be proud to do和be proud of doing之间有什么区别？ “能够帮助如此多

Question

be proud to do和be proud of doing之间有什么区别？
“能够帮助如此多的学生，我感到很自豪。”这句话的翻译？
I'm proud ______ help ______ students.

Answer 1

意思上没有什么区别
I am proud to help many students.

I am proud of helping many students.

Answer 2

to
so many追答

I 'm proud to help so many students.

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第19题

追答

也可用
to be able to
so many