一道英语选择题,为什么填what?
问题描述:
一道英语选择题,为什么填what?
perseverance is a kind of quality-and that is_it takes to do anything well
答
what 引导表语从句,and 后面那句话是主系表结构,that 是主语,is是系动词,所以后面应该用一个表语,则选what