合并成含定语从句的复合句this is a photograph of my friends.i went on holiday with these friends
问题描述：
合并成含定语从句的复合句this is a photograph of my friends.i went on holiday with these friends
答
ok!
this is a photograph of my friends who i went on holiday with.
首先这一句话的先行词是friends,who是引导词,引导friends带到后面作宾语.能理解吗?