为什么be addicted to 后面一定要加doing

为什么be addicted to 后面一定要加doing be addicted to 后面跟doing 还是do be addicted to do还是doing? be addicted to doing这词组对吗 be mentally and physically addicted to doing be afraid of 后面为什么加to do ,而不是doing? be addicted to后面跟ing吗? be addicted to,relate be addicted to be（ addicted） to＋doing,其中to是介词,后加动名词形式,问：有哪些词可以加to,to为介词的?多多 be addicted to sth./doing sth和addict oneself to sth./doing s hate后面一定要加doing吗 什么时候后面要加to do?