The professor wrote for him a letter of recommendation with which he applied for a position in
问题描述：
The professor wrote for him a letter of recommendation with which he applied for a position in
that company. 请分析一下句子的成分~谢谢~
答
The professor (主语）wrote （谓语）for him（状语） a letter of recommendation （宾语）with which he applied for a position in that company（定语从句）