问题描述:
thank you for your help对不啊
thank you very much for your help
Thanks a lot for helping me.
有什么不同
为什么一个用help 一个用helping啊?
thank you very much for your help
Thanks a lot for helping me.
有什么不同
为什么一个用help 一个用helping啊?
问题解答:
我来补答展开全文阅读