thanks for sth/sb's doing sth如thanks for your help =thanks for your helping me . thanks for your letter=thanks for your writing to me. thanks for your advice=thanks for your advising me. 再问： 第一个应该是Thank you/Thanks for helping me吧 再答： thanks=thank you 再问： sb's是什么 再答： 物主代词或所有格 再问： 明白了，Thanks for helping me,thank you very much!
