After several days they came to settle down in what is now a holiday center.这个句子中为什么用what?which为什么不对？
问题描述：
After several days they came to settle down in what is now a holiday center.这个句子中为什么用what?
which为什么不对？
答
宾语从句，what是句子主语
答
what is now a holiday center 是一个宾语从句,宾语从句的引导词只能用what,where,how,why等,不能用which.