Great changes have taken place since then in the factory (where ) we are working,为什么用where前面既然有in 了为什么还要用where 呢,不是多余了吗?we are working in the factory ,不是完整了吗
问题描述:
Great changes have taken place since then in the factory (where ) we are working,为什么用where
前面既然有in 了为什么还要用where 呢,不是多余了吗?we are working in the factory ,不是完整了吗
答